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Patent number:
Patent Date:
US Patent: 570,767
Protractor
Patentee:
Walter W. Pennington (
exact
or
similar
names) - Butte, MT
USPTO Classifications:
33/403
Tool Categories:
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Elliot H. Wilson
Samuel Barker, Jr.
Patent Dates:
Granted:
Nov. 03, 1896
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Russ Allen.
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