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US Patent: 1,522,927
Screw Driver Attachment
Screw Gripping Screwdriver
Patentees:
Fred J. Wickstrom (exact or similar names) - Stockton, CA
Max Paul (exact or similar names) - Stockton, CA
James F. Davis (exact or similar names) - Stockton, CA

USPTO Classifications:
81/453

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
Unknown

Witnesses:
none listed
Patent Dates:
Applied: Nov. 12, 1923
Granted: Jan. 13, 1925

Patent Pictures: [ 1 | 2 | 3 ]
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Description:
Screw Holding Screw driver, samples marked,"SURE-HOLD,PAT. PEND'G"

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