US Patent: 2,122,875


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Patentee:

Eugene J. Witchger (exact or similar names) - Saginaw, MI

USPTO Classifications:

33/427, 403/110

Tool Categories:

layout tools : squares

Assignees:

Lufkin Rule Company - Saginaw, MI

Manufacturer:

Lufkin Rule Company - Saginaw, MI

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 04, 1937
Granted:	Jul. 05, 1938

Patent Pictures:

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Description:

A combination protractor head appeared on ebay with this patent number. It had no other markings other than the patent number. The assumption would be that it was manufactured by Lufkin.