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Patent Stories

A black leather firefighter helmet

History of the Fire Helmet

Edward Cairns patented the fire helmet in 1932, solving the problem of the brass eagle ornament falling off. Henry Gratacap designed the original Americanstyle helmet between 1821 and 1836.

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A vintage fire engine and extinguisher advertising lithograph

History of the Fire Extinguisher

Almon Granger patented the chemical fire extinguisher in 1880, building on a 1723 gunpowder design. The dry chemical unit arrived in 1928 and changed firefighting.

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