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IPR Daily
- 2022-03-11 12:16:55
Today in IP History: Samuel Mullikin The First Inventor to Hold Multiple Patents
A stone polishing machine
Although little is known about Samuel Mullikin’s life, it is almost certain that he spent much of his career in Philadelphia, according to the Patent History Materials Index - List of all U.S. Patents and Patentees --1790 - 1829, which can be found online.
The list shows that he was granted four patents in the year of 1791 for a machine that can raise a nap on clothes, another machine for thrashing grain and corn, and for breaking and swinging of hemp and a machine for cutting and polishing stone and marble.
The list further shows that Samuel Mullikin was granted two more patents in 1795 and 1797 respectively for hemp and flax breaking, and scouring or skinning rice.
Source: Patent History Materials Index
Editor: IPR Daily-Jason
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