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US Patent: 2,994,354
Improved Screw Driver
Patentee:
Rudolph M. Vaughn (exact or similar names) - Santa Ana, Orange County, CA

USPTO Classifications:
81/436

Tool Categories:
screwdrivers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 09, 1959
Granted: Aug. 01, 1961

Patent Pictures:
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