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Patent number:
Patent Date:
US Patent: 765,474
Sectional Steel Square
Patentee:
John W. Gibbs (
exact
or
similar
names) - Whitsett, Fayette County, PA
USPTO Classifications:
403/380
Tool Categories:
layout tools
:
squares
:
carpenter squares
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Mar. 25, 1903
Granted:
Jul. 19, 1904
Patent Pictures:
USPTO
(New site tip)
Google Patents
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