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US Patent: 234X
Steelyards
Improvement in steelyards
Patentee:
Benjamin Dearborn - Unknown, MA

USPTO Classifications:

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 14, 1799

Patent Pictures: [ 1 | 2 | 3 ]
This image was in very poor condition.
USPTO pdf tiff
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Description:
The drawing for this patent is in poor condition but it appears to be some type of balance beam or scale.

Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2000 of the almost 10000 documents were recovered.

Little is known about this patent. This patent is in the database for reference only.

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