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US Patent: 1,889,330
Screw Holding Attachment for Screw Drivers
Screw Gripping Screwdriver
Patentees:
Homer C. Humes (exact or similar names) - Los Angeles, CA
George L. Robinson (exact or similar names) - Los Angeles, CA

USPTO Classifications:
81/453

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
Unknown

Witnesses:
none listed

Patent Dates:
Applied: Feb. 23, 1932
Granted: Nov. 29, 1932

Patent Pictures:
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Report data errors or omissions to steward Steve Gosselin
Description:
This is a Patent for a screw gripping attachment for screw drivers.Patent for a screwdriver with this attachment permanently affixed,1925385.

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