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Patent number:
Patent Date:
US Patent: 575,734
Drilling or similar tool
Patentee:
John M. Rauhoff (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
74/127
,
74/424.89
Tool Categories:
screwdrivers
:
screwdriver mechanisms
:
spiral screwdrivers
Assignees:
None
Manufacturer:
Unknown
Witnesses:
Thomas B. McGregor
Thomas F. Sheridan
Patent Dates:
Applied:
Apr. 04, 1896
Granted:
Jan. 26, 1897
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Steve Gosselin
Description:
Assumed to have been produced, See Patent
588879
and
560281
for more info.
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