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US Patent: 80,622
Improvement in Screw-Drivers
Patentee:
W. S. Goss - Baltimore, MD

USPTO Classifications:
81/29, 81/58.3

Tool Categories:
screwdrivers : screwdriver mechanisms : ratcheting screwdrivers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
I. A. Johnson
D. Ardin

Patent Dates:
Granted: Aug. 04, 1868

Patent Pictures:
USPTO pdf tiff
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