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Patent number:
Patent Date:
US Patent: 77,130
Improvement in try-squares
Patentee:
Edwin J. Toof (
exact
or
similar
names) - Fort Madison, IA
USPTO Classifications:
33/32.2
Tool Categories:
layout tools
:
squares
:
try squares
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
E. C. Beals
W. E. Marrs
Patent Dates:
Granted:
Apr. 21, 1868
Patent Pictures:
USPTO
(New site tip)
Google Patents
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