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US Patent: 189,621
Pipe-Tongs Or Wrenches
Patentee:
Elim R. Girvin (exact or similar names) - Strasburg Township, PA

USPTO Classifications:
81/100, 81/106, 81/178

Tool Categories:
wrenches : pipe wrenches

Assignees:
Elim R. Girvin - Strasburg Township, PA
Philip Ritz - Bart, PA

Manufacturer:
Not known to have been produced

Witnesses:
H. G. Book
George Schiffner

Patent Dates:
Applied: Feb. 07, 1877
Granted: Apr. 17, 1877

Patent Pictures:
Elim R. Girvin Pat. April 17, 1877
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Description:
The "keeper" in the shiftable pivot pin could be metal or leather. The specifications note and disclaim any features covered by patent numbers 27,622 or 111,422.

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