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US Patent: 1,512,176
Tool
Ratcheting Screwdriver
Patentee:
Algot T. Johnson (exact or similar names) - Jamestown, NY

USPTO Classifications:
81/33, 81/63.1

Tool Categories:
screwdrivers : screwdriver mechanisms : ratcheting screwdrivers

Assignees:
None

Manufacturer:
Algot T. Johnson - Jamestown, NY

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 17, 1923
Granted: Oct. 21, 1924

Patent Pictures: [ 1 | 2 | 3 ]
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