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US Patent: 933,878
Pocket Screw Driver
Patentee:
Henry John Borsch (exact or similar names) - Philadelphia, PA

USPTO Classifications:
81/177.4

Tool Categories:
screwdrivers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. H. Krenkel
J.A. L. Muhall
Patent Dates:
Applied: Jan. 08, 1909
Granted: Sep. 14, 1909

Patent Pictures:
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