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US Patent: 80,997
Clamp Nut
Patentee:
William Pearson (exact or similar names) - Windsor Locks, CT

USPTO Classifications:
269/182, 269/187, 411/427

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. Le Clerc
A. Kinnier

Patent Dates:
Granted: Aug. 11, 1868

Patent Pictures:
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