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US Patent: 925,115
Screw Driver
Screw holding screwdriver
Patentee:
Alfred  Loewenberg (exact or similar names) - Indianapolis, IN

USPTO Classifications:
81/438

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
William Meyer - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Samuel Goldstein
Joseph G. Parkinson
Patent Dates:
Applied: Apr. 18, 1907
Granted: Jun. 15, 1909

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin
Description:
A detachable screw holding attachment for ordinary screw drivers.

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