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US Patent: 724,018
Protractor
Patentee:
Charles L. Kline (exact or similar names) - Chicago, IL

USPTO Classifications:
33/468

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. A. Griesbauer, Jr.
J. Ulrichson
Fred Niemann
William F. Doernland

Patent Dates:
Applied: Oct. 21, 1902
Granted: Mar. 31, 1903

Patent Pictures:
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