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US Patent: 1,752,703
Hand Drill or Screw Driver
Patentee:
Herbert E. Simson (exact or similar names) - Los Angeles, CA

USPTO Classifications:
81/177.1, 81/436

Tool Categories:
screwdrivers : screwdriver mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 12, 1928
Granted: Apr. 01, 1930

Patent Pictures:
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