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Patent number:
Patent Date:
US Patent: 290,218
Attachment for Screwdrivers
Screw holding screwdriver
Patentee:
Charles W. Drake (
exact
or
similar
names) - Pittsburg, Allegheny County, PA
USPTO Classifications:
279/37
,
81/455
Tool Categories:
screwdrivers
:
screwdriver mechanisms
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
William H. Lewis
A. C.S. Wilson
Patent Dates:
Applied:
Jun. 21, 1883
Granted:
Dec. 18, 1883
Patent Pictures:
USPTO
(New site tip)
Google Patents
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