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US Patent: 186,575
Pipe-Tongs
Patentee:
Samuel N. Jessop - Erie, PA

USPTO Classifications:
81/155, 81/180.1, 81/389

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
Richard G. M. Haupt - Erie, PA
Samuel N. Jessop - Erie, PA

Manufacturer:
Not known to have been produced

Witnesses:
Joshua Newbold
Wilson Laird
M. P. Utley
Robert Everett

Patent Dates:
Applied: Jan. 06, 1877
Granted: Jan. 23, 1877

Patent Pictures:
Samuel N. Jessop Pat. Jan. 23, 1877
USPTO pdf tiff
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Description:
The adjustment of the screw-adjusting bit can be locked in place by a pivoting wedge piece. The bit is reversible.

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