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Patent number:
Patent Date:
US Patent: 324,121
Screw-driver
Screw holding screwdriver
Patentee:
George F. Kolb (
exact
or
similar
names) - Philadelphia, PA
USPTO Classifications:
81/453
Tool Categories:
screwdrivers
:
screwdriver blades
Assignees:
None
Manufacturer:
Unknown
Witnesses:
John A. Wiedersheim
A. P. Grant
Patent Dates:
Applied:
May 02, 1885
Granted:
Aug. 11, 1885
Patent Pictures: [
1
|
2
]
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