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US Patent: 133,994
Improvement in converting motion
Patentee:
Taylor D. Lakin - Greenfield, NH

USPTO Classifications:
74/127

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers
woodworking tools : hand drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. V. Briesen
T. B. Mosher

Patent Dates:
Granted: Dec. 17, 1872

Patent Pictures:
USPTO pdf tiff
Google Patents
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