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US Patent: 1,422,308
Combined friction and spanner wrench
Patentee:
John A. Schleicher (exact or similar names) - Saginaw, MI

USPTO Classifications:
81/125.1, 81/3.43, 81/64

Tool Categories:
wrenches : wrench combination tools

Assignees:
Lufkin Rule Company - Saginaw, MI

Manufacturer:
Lufkin Rule Company - Saginaw, MI

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 21, 1921
Granted: Jul. 11, 1922

Patent Pictures: [ 1 | 2 | 3 ]
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Description:
Wrench for a Lufkin Depth gage. See pictures.

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