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US Patent: 703,638
Screw Driver
Screw holding screwdriver
Patentees:
John D. Cambell (exact or similar names) - Newton, NJ
Judson K. Gunn (exact or similar names) - Newton, NJ

USPTO Classifications:
81/454

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
Unknown

Witnesses:
J. R. Littell
George Vail Huppertz
Patent Dates:
Applied: May 02, 1901
Granted: Jul. 01, 1902

Patent Pictures: [ 1 | 2 | 3 ]
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