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US Patent: 150,131
Pipe-Tongs
Patentee:
James R. Brown - Cambridgeport, MA

USPTO Classifications:
248/228.4, 81/163, 81/395, 81/397, 81/398

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
James R. Brown - Cambridgeport, MA

Witnesses:
S. W. Piper
L. N. Moeller
R. H. Eddy
J. R. Snow

Patent Dates:
Applied: Jan. 19, 1874
Granted: Apr. 28, 1874

Patent Pictures:
James R. Brown patent April 28, 1874 with example
USPTO pdf tiff
Google Patents
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Description:
The handle of the hook jaw portion rotates to adjust the pivot point.

Known example marked only "J. R. BROWN CAMBRIDGEPORT, MASS." is shown as #738 in "Antique & Unusual Wrenches," by Schulzes, where Brown's May 28, 1867 pat. no. 65,162 is noted.

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