Meet the inventor behind the clean

Ellen Eglin

A practical breakthrough. An unequal reward.

She studied an exhausting piece of women's work, designed a better tool, and made a clear-eyed decision about what prejudice would allow the market to see.

Read her story
Historic American Wringer Company clothes wringer
Clothes wringer advertisement, 1903Period image shown for context. No verified portrait of Ellen Eglin is known.
Known forImproved clothes wringer
Worked inWashington, D.C.
Rights sold for$18

About $660 today Estimated 2026 buying power using historical CPI. Pre-1913 figures are estimates.

Begin with wash day

To understand Ellen Eglin's invention, begin not with a patent office but with wet cloth. In the late nineteenth century, laundry could consume an entire day or more. Water had to be carried and heated. Clothing and household linens were soaked, soaped, scrubbed, rinsed, lifted, wrung, dried, and then pressed with irons heated on a stove. Each step demanded strength; every additional sheet made the load heavier.

Wringing was one of the most punishing points in that chain. Twisting water from fabric by hand strained wrists and backs, while a mechanical wringer fed wet clothing between rollers and pressed out the excess. The machine did not make laundry effortless. It made one stubborn part of the work faster and less punishing.

That distinction matters. Eglin's idea did not descend from an abstract flash of genius. The surviving account says she gave the problem months of study. Her invention came from sustained attention to a task that households depended on but histories of technology rarely treated as a serious site of knowledge.

Expertise hidden in ordinary work

Eglin lived in Washington, D.C., and is described in later research as a domestic worker. For Black women in the decades after emancipation, domestic service and laundry work were among a narrow range of occupations that racism and sexism left open. The work was called ordinary because women performed it; it was made nearly invisible when Black women performed it for other households.

Yet repetitive work can produce exacting knowledge. A person who handles wet fabric day after day learns where it bunches, how rollers catch, how pressure must be applied, and what makes a tool useful rather than merely impressive. Eglin recognized a design problem inside a familiar chore and engineered an improvement. That is invention in its most practical form: close observation turned into a better way of doing necessary work.

Eighteen dollars—and a calculated disappearance

In 1888, Eglin transferred the rights to her clothes wringer to an unnamed agent for $18. Three years later, the Washington newspaper The Woman Inventor asked why she had accepted so little after studying the device for months. Her answer was not uncertainty about the value of her work. It was an assessment of the buyers.

What prejudice cost“You know I am black and if it was known that a negro woman patented the invention, white ladies would not buy the wringer.”Ellen Eglin, interviewed in The Woman Inventor, 1891
$18What she received for the rights to her invention

The historical wording is painful, but the logic is precise. Eglin anticipated that white consumers could reject a useful household product simply because a Black woman's name was attached to it. Selling the invention allowed the device to enter the market without carrying the identity the market had been trained to devalue.

Legal scholar Kara W. Swanson describes this separation between inventor and invention as a form of passing within the patent system. The choice could reduce the immediate risk of rejection, but it also stripped away the public recognition and future bargaining power that ownership might have provided. Eglin did not fail to understand the marketplace. Her decision shows how well she understood it.

The newspaper that kept her name alive

The reason we can hear Eglin's own explanation at all is that Charlotte Smith printed it in the April 1891 issue of The Woman Inventor. The paper appeared during Washington's Patent Centennial, a celebration dominated by prominent men, and argued that women needed lower patent costs, legal protection, exhibition space, and public credit for their inventions.

Eglin was not presented as an isolated curiosity. The article identified her as a member of Smith's Woman's National Industrial League, and Smithsonian researchers report that she was expected to lead a committee organizing Black women. Her story therefore belongs not only to household technology, but also to a larger movement of working women trying to gain access to the institutions that defined who counted as an inventor.

The newspaper's imperfect typesetting rendered her first name as “Eden,” one of many small instabilities in the record. But it preserved something more important than a polished biography: Eglin's analysis of the market in her own words and her refusal to let one compromised sale define the limits of her ambition.

She was already planning what came next

After explaining the wringer sale, Eglin told the interviewer that she was working on another invention. This time, she said, she had money to move it forward after a patent was issued, and she intended the invention to be known as the work of a Black woman. She hoped to exhibit a model at an international industrial congress open to women regardless of color.

No patent or surviving model has been securely connected to that later project. The absence is frustrating, but her statement changes the emotional shape of the story. Eglin was not retreating from invention. She was preparing to return with more control, more resources, and her identity attached.

What the archive cannot prove

The surviving evidence does not identify the agent who bought Eglin's rights, the later owner, the exact construction of her improvement, or a patent that embodies it. Eglin believed the wringer became a financial success, but the archive does not tell us who manufactured it or how much money it earned.

That uncertainty rules out a familiar but unsupported version of the story. A widely reproduced image of an American Wringer Company machine is period context—not proof that the company acquired Eglin's design. Researchers have also found no evidence tying her work to U.S. Patent No. 459,343 or to its named inventor. Giving Eglin responsible credit means resisting the urge to fill every silence with a satisfying answer.

Later historians have located census, employment, and city-directory records that may describe Eglin's life, but they cannot yet be linked to the inventor with certainty. There is no verified portrait of her. Her biography remains fragmentary not because her life lacked substance, but because the records that routinely preserved employers, patent holders, and manufacturers were less reliable at preserving Black working women.

More than a story of loss

It would be easy to reduce Ellen Eglin to two facts: she invented a wringer and received only $18. That version produces outrage, but it flattens the inventor. It leaves out the months of study, the market judgment, her membership in an organizing movement, and the second invention she intended to claim publicly.

Her story asks us to recognize two truths at once. Eglin was constrained by a racist and sexist economy that made ownership costly and anonymity commercially useful. She was also an observant designer and a strategic actor who understood those constraints, made a difficult choice inside them, and kept planning beyond them.

Patent files record legal ownership. They do not automatically record every mind that saw a problem, every hand that tested an improvement, or every person pressured to detach a useful idea from a devalued identity. Eglin's surviving words let us see across that gap. They restore not a complete biography, but something equally essential: the intelligence behind the invention.

A brief timeline

1888
After months of study, Eglin sells the rights to her clothes-wringer invention to an unnamed agent for $18.
1891
The Woman Inventor records her explanation of the sale and her plan to patent and exhibit another invention.
Today
Museums and historians use her story to show why patents alone cannot reveal everyone who contributed to American innovation.

Sources and image note

Responsible recognition includes uncertainty.

This feature draws primarily on the surviving article in The Woman Inventor, the Smithsonian National Museum of American History's research on Eglin and period laundry tools, and Kara W. Swanson's scholarly analysis of Black women inventors and the patent archive. No verified portrait of Eglin or identified surviving example of her exact wringer design is known to this project. All machinery shown here is representative period context.