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US Patent: 371,225
Screwdriver
Patentee:
Amos Stevens (exact or similar names) - Philadelphia, PA

USPTO Classifications:
81/32, 81/436

Tool Categories:
screwdrivers : screwdriver mechanisms : ratcheting screwdrivers

Assignees:
William D. Wooldredge - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
E. C. Potts
F. R. Stevenson
Patent Dates:
Applied: Jun. 02, 1887
Granted: Oct. 11, 1887

Patent Pictures:
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