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US Patent: 621,293
Chain Pipe Wrench
Patentee:
George F. Crass (exact or similar names) - Ithaca, NY

USPTO Classifications:
24/68CT, 81/69

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches

Assignees:
Guy W. Slocum - Ithaca, NY
George F. Crass - Ithaca, NY

Manufacturer:
Not known to have been produced

Witnesses:
W. G. Sabin
H. M. Seamans
A. D. Allen
Robert Reid
Patent Dates:
Applied: Sep. 09, 1898
Granted: Mar. 14, 1899

Patent Pictures:
George F. Crass patent March 14, 1899
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Description:
Chain wrench with "fixed" jaw variations and options for flat link or "cable" chain.

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