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US Patent: 117X
Improvment in Burr Mill Stones
Patentee:
Oliver Evans (exact or similar names) - Philadelphia, PA

USPTO Classifications:

Tool Categories:
agricultural : grist mills : mill stones
trade specific : miller

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: May 28, 1796

Patent Pictures:
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Oliver Evans
Description:
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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