Stories from the patent record

Unusual, notable, and historically significant US patents — the inventions that changed everything, the ones that were never built, and a few that should never have been granted.

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UNITED STATES PATENTUS614049SPECIFICATION & DRAWINGS

A Toilet for Automatically Exhausting Odious Air

An 1898 patent for a self-venting toilet seat that drew foul air directly into the chimney — a Victorian solution to a Victorian problem.

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Recent stories

UNITED STATES PATENTUS2297691SPECIFICATION & DRAWINGS

Chester Carlson Invented the Photocopier. Twenty Companies Said No.

A patent attorney tired of copying documents by hand invented dry photocopying in his kitchen in 1938. IBM, Kodak, GE, RCA, and the US Navy all turned it down. The company that finally said yes became Xerox.

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UNITED STATES PATENTUS3819587SPECIFICATION & DRAWINGS

Stephanie Kwolek Invented a Fiber Stronger Than Steel — and It Has Stopped Countless Bullets Since

In 1965, a DuPont chemist was working with a cloudy solution that her colleagues assumed was a mistake and wanted to throw out. She insisted on spinning it into fiber anyway. The result was Kevlar.

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UNITED STATES PATENTUS2717437SPECIFICATION & DRAWINGS

Velcro Was Invented on a Dog Walk

In 1941, a Swiss engineer came home from a hunting trip covered in burrs. Instead of just picking them off, he put one under a microscope. It took him more than a decade to turn what he saw into a patent.

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UNITED STATES PATENTUS6293874SPECIFICATION & DRAWINGS

The Patent for a Machine That Kicks You in the Rear

In 2001, the USPTO granted a patent for a coin-operated amusement device whose entire function is to let a user pay to have a rotating boot kick them in the buttocks. It is real, it is fully illustrated, and it is exactly what it sounds like.

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UNITED STATES PATENTUS821393SPECIFICATION & DRAWINGS

The Wright Brothers' Patent Nearly Grounded American Aviation

The 1906 patent on the 'Flying Machine' didn't just protect the Wright brothers' invention. The way they enforced it triggered a decade of litigation that left American aircraft design years behind Europe's by the time World War I began.

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UNITED STATES PATENTUS3482037SPECIFICATION & DRAWINGS

A Nurse in Queens Invented Home Security in 1966

Marie Van Brittan Brown worked irregular nursing shifts in a high-crime neighborhood and didn't feel safe answering her door. So she and her husband designed — and patented — the first home security system with closed-circuit cameras, a remote door release, two-way audio, and a panic button. Decades before any of it was commercial.

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UNITED STATES PATENTUS3906166SPECIFICATION & DRAWINGS

He Made the First Cell Phone Call to Gloat at His Rival

On a Manhattan sidewalk in April 1973, Motorola's Martin Cooper placed the first handheld cellular phone call. He dialed the head of the competing team at Bell Labs — specifically to tell him he'd lost the race. The patent was filed six months later.

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UNITED STATES PATENTUS4320756SPECIFICATION & DRAWINGS

The Patent for Surviving a Fire by Breathing Through the Toilet

In 1982, an inventor received a US patent for a fresh-air breathing device intended for high-rise fires. The device was a snorkel. You inserted it past the water in the toilet bowl and breathed the fresh air drawn down the plumbing's vent stack.

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UNITED STATES PATENTUS4237224SPECIFICATION & DRAWINGS

Cohen and Boyer Patented the Tools That Built Biotech

In 1980, Stanford University was granted a patent for a method of splicing DNA from one organism into another. The patent generated roughly $255 million in licensing fees before it expired — and made every recombinant drug in modern medicine legally possible.

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UNITED STATES PATENTUS3691140SPECIFICATION & DRAWINGS

Spencer Silver Invented an Adhesive No One Wanted for Twelve Years

In 1968, a 3M chemist named Spencer Silver was trying to make a stronger adhesive. He accidentally made a weaker one that didn't stick permanently. The product it eventually became — Post-it Notes — did not ship for another twelve years.

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UNITED STATES PATENTUS6004596SPECIFICATION & DRAWINGS

Smucker's Patented the Peanut Butter and Jelly Sandwich

In 1999, the J.M. Smucker Company received a US patent on a 'Sealed Crustless Sandwich.' For seven years, the company sent cease-and-desist letters to small-town caterers, school lunch programs, and competing sandwich makers, before the patent was finally pulled apart on reexamination.

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UNITED STATES PATENTUS322177SPECIFICATION & DRAWINGS

Sarah Goode Patented a Bed That Hid Inside a Desk

Sarah E. Goode was born in slavery in 1855. By 1885 she owned a furniture store on Chicago's South Side and held the first US patent ever granted to an African-American woman — for a folding cabinet bed designed to make tenement apartments livable.

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