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Patent number:
Patent Date:
US Patent: 744,028
Beam-calipers
Patentee:
Charles E. Billings (
exact
or
similar
names) - Hartford, CT
USPTO Classifications:
33/823
Tool Categories:
layout tools
:
measurement gauges
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
W. C. Abbott
R. N. Pittman
Frederic C. Billings
D. E. Marchant
Patent Dates:
Applied:
Mar. 21, 1902
Granted:
Nov. 17, 1903
Patent Pictures:
USPTO
(New site tip)
Google Patents
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