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US Patent: 689,325
Pipe Wrench
Patentee:
Fred E. Sands (exact or similar names) - Cambridge, MA

USPTO Classifications:
81/64

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

Assignees:
Trimont Manufacturing Company - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Fred S. Grunhof
Adolph T. Kaiser
Margaret A. Dunn
Geo. W. Gregory
Patent Dates:
Applied: Oct. 07, 1901
Granted: Dec. 17, 1901

Patent Pictures:
Fred E. Sands patent December 17, 1901
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Description:
A strap wrench for non-marring applications like brass pipe.

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