In 1825, housewife Hannah Lord Montague (1794-1878) at 139 Third Street, Troy, N.Y. took her scissors and created the first detachable collar on one of her husband's shirts in order to reduce her laundry load to the collar only.
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In 1850, the first U.S. patent for push-key operation for an adding machine was patented by Dubois D. Parmelee of New Paltz, N.Y. (No. 7,074). His "Calculating Machine" patent diagram showed 9 keys.
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In 1850, Gail Borden of Brooklyn, NY, was issued a U.S. patent his process that baked a combination of extracts from meat with flour to produce a meat biscuit capable of long term storage (No. 7,066).
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