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Patent number:
Patent Date:
US Patent: 564,549
Protractor
Patentee:
Wallace S. Ayres (
exact
or
similar
names) - Hazleton, PA
USPTO Classifications:
33/403
Tool Categories:
metalworking tools
:
machinist tools
:
measuring tools
:
protractors
layout tools
:
protractors
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
J. B. Hutchinson
J. E. Anderson
Patent Dates:
Applied:
May 17, 1895
Granted:
Jul. 21, 1896
Patent Pictures:
USPTO
(New site tip)
Google Patents
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