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US Patent: 658,962
Pipe Wrench
Patentee:
Thomas E. Ryan (exact or similar names) - San Francisco, CA

USPTO Classifications:
81/110, 81/185.2

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Atlas Pipe Wrench Co. - San Francisco, CA

Witnesses:
M. Regner
R. Henry
Harry J. Lask
Joseph Dolan
Patent Dates:
Applied: Oct. 11, 1899
Granted: Oct. 02, 1900

Patent Pictures:
Thomas E. Ryan Patent October 2. 1900
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Description:
This improvement to Robert Copland's May 15, 1888 patent (no. 382,799) adds a replaceable "fixed" jaw, and a modification to the "latch."

Corresponding German patent DE-120670 was granted with effective date Nov. 1, 1899.

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