Tag Archives: Patent of the Month

Patent of the Month: Apparatus for Treating Air

Stay cool out there this summer! Apparatus for Treating Air – Willis H. Carrier, 09/1904 – 01/02/1906.  National Archives Identifier 7268013  

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Patent of the Month: Tucker “Torpedo” Patent Drawing, 06/14/1949

During World War II, the South Side of Chicago was home to one of the largest war plants in the country, used by Dodge-Chrysler to build bomber plane engines. After the war, Preston Tucker leased two of the buildings to … Continue reading

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Patent of the Month: Eli Whitney’s Cotton Gin

When I was a kid growing up in Beverly, MA, every morning I would walk by the site of the cotton mill visited by George Washington. That mill, the Beverly Cotton Manufactory, even predated Eli Whitney’s cotton gin, which was patented … Continue reading

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Patent of the Month: Still Design, 1808

Stills similar to the one represented in this drawing were used to make distilled liquors and were commonly used in America during the early 19th-century. And their “descendants” are still being found in the mountains of rural America! A preview … Continue reading

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Patent of the Month: Illuminating-Devices for Christmas Trees

Happy Holidays! Illuminating-Devices for Christmas Trees, Patent 194421, August 21, 1877. Records of the Patent and Trademark Office. National Archives and Records Administration (Page 1) Illuminating-Devices for Christmas Trees, Patent 194421, August 21, 1877. Records of the Patent and Trademark Office. National … Continue reading

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Patent of the Month

The National Archives contains many archival gems. To share some of my favorites, I am starting a new feature for the blog, Patent of the Month. Eye Protector for Chickens Eye Protector for Chickens, Patent 730918, June 16, 1903. Records … Continue reading

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