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US Patent: 131X
Manufacturing pot ash
Patentee:
William Frobisher (exact or similar names) - Boston, Middlesex County, MA

USPTO Classifications:

Tool Categories:
manufacturing : manufacturing processes : manufacturing potash

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Nov. 17, 1796

Patent Pictures:
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Description:
Listed in The American Journal of Improvements in the Useful Arts & Mirror of the Patent Office in the United States, V1, #1, 1828, pg. 13

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.

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