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US Patent: 346,836
Protractor
Patentee:
Gustaf Almorth (exact or similar names) - Elgin, IL

USPTO Classifications:
33/468

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

Assignees:
Vincent Bertsch - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
James A. Bruring
C. Wilbur Ray
Patent Dates:
Applied: Apr. 08, 1886
Granted: Aug. 03, 1886

Patent Pictures:
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