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US Patent: 267,336
Protractor
Patentees:
Charles D. Waters - Mechanicsburg, PA
Alexander H. Ege - Mechanicsburg, PA

USPTO Classifications:
33/470

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John P. Melick
John H. Keath

Patent Dates:
Applied: Jun. 15, 1882
Granted: Nov. 14, 1882

Patent Pictures:
USPTO pdf tiff
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