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US Patent: 672,213
Angle Protractor
Patentee:
Edwin L. Holcomb (exact or similar names) - Hartford, CT

USPTO Classifications:
33/471, 33/534

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. Malner
Jeannie Nellis
W. H. Honiss

Patent Dates:
Applied: Apr. 20, 1899
Granted: Apr. 16, 1901

Patent Pictures:
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