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US Patent: 148,300
Pipe-Tongs
Patentee:
Hazen P. Huntoon - Cambridgeport, MA

USPTO Classifications:
81/404, 81/426

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Not known to have been produced

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

Patent Dates:
Applied: Jan. 19, 1874
Granted: Mar. 10, 1874

Patent Pictures:
Hazen P. Huntoon Pat. March 10, 1874
USPTO pdf tiff
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Description:
The patent is for the adjusting nut and screw threads on the hooked jaw shank, the connection to the pivoting handle, and the offset bends in the pivoting handle.

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