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x-patents:x-3502

Patent X-3502: 1822-04-19, Making gunpowder

X Number Date Inventor City Title Status
X-3502 1822-04-19 Joseph M. Merrow East Hartford, CT Making gunpowder Missing
Robert McKee Jr. East Hartford, CT

Comments

Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.

Information Sources

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x-patents/x-3502.txt · Last modified: 2019/05/25 21:49 by 127.0.0.1

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