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Patent number:
Patent Date:
US Patent: 1,061,773
Driving mechanism for spiral-tool drivers
Patentee:
John Nahlinger (
exact
or
similar
names) - Cleveland, OH
USPTO Classifications:
74/127
Tool Categories:
screwdrivers
:
screwdriver mechanisms
:
spiral screwdrivers
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
D. C. Reed
John A. Bommhardt
Patent Dates:
Applied:
Dec. 18, 1912
Granted:
May 13, 1913
Patent Pictures:
USPTO
(New site tip)
Google Patents
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