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US Patent: 285,907
Protractor
Patentee:
Patrick Kennelly - Bridgeport, CT

USPTO Classifications:
33/1N, 33/1R

Tool Categories:
metalworking tools : machinist tools : measuring tools : protractors
layout tools : protractors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
P. Kane
M. S. Sheridan

Patent Dates:
Applied: Feb. 20, 1883
Granted: Oct. 02, 1883

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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