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US Patent: 3X
Manufacturing flour and meal
Patentee:
Oliver Evans - Philadelphia, PA

USPTO Classifications:

Tool Categories:
trade specific : miller

Assignees:
None

Manufacturer:
Oliver Evans - Philadelphia, PA

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 18, 1790

Patent Pictures:
USPTO pdf tiff
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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.

This patent was renewed by an Act of Congress on 21 Jan 1808.

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