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Patent number:
Patent Date:
US Patent: 968,958
Folding Square
Patentee:
Paul Krichbaum (
exact
or
similar
names) - San Francisco, CA
USPTO Classifications:
403/95
Tool Categories:
layout tools
:
squares
:
carpenter squares
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
F. M. Wright
D. B. Richards
Patent Dates:
Applied:
May 18, 1909
Granted:
Aug. 30, 1910
Patent Pictures:
USPTO
(New site tip)
Google Patents
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