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US Patent: 612,525
Pipe Wrench
Patentee:
Robert J. Miller (exact or similar names) - Benecia, CA

USPTO Classifications:
81/185.2, 81/68

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Alex. Andrews
Eliz. Kincaid
James A. Malone
Chas. M. Prince
Patent Dates:
Applied: Feb. 07, 1898
Granted: Oct. 18, 1898

Patent Pictures:
Robert J. Miller patent October 18, 1898
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Description:
Flat chain-type strap tightened by a lever handle, and replaceable gripping surface on the main shank.

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