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US Patent: 898,267
Wrench
Patentee:
Harvey Nelson Rothweiler (exact or similar names) - Seattle, WA

USPTO Classifications:
81/174, 81/179

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Crescent Forgings Co. - Oakmont, PA

Witnesses:
Bessie Brown
Paul A. Talbot
Chas. Meyer

Patent Dates:
Applied: Mar. 23, 1908
Granted: Sep. 08, 1908

Patent Pictures: [ 1 | 2 ]
Harvey N. Rothweiler patent September 8, 1908
USPTO (New site tip)
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Description:
The patented features are the slideable gripping surface on the movable jaw, and the removable threaded surfaces on the shank.

Manufacturer information taken from advertisements in popular magazines.

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