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US Patent: 688X
Steelyards
Patentee:
John Edwards - New York, NY

USPTO Classifications:

Tool Categories:
trade specific : steel maker

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: May 19, 1806

Patent Pictures:
USPTO pdf tiff
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Description:
Only about 2000 of the almost 10000 X-patent documents were recovered.

Because of the Patent Office fire in Dec. 1836, 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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