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US Patent: 98,925
Pipe Tong
Patentee:
John Clark - Astoria, NY

USPTO Classifications:
81/381

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John J. Halsey
James T. Graham
A. W. Almqvist
Edgar Tate

Patent Dates:
Applied: Dec. 13, 1869
Granted: Jan. 18, 1870

Patent Pictures:
John Clark Pat. Jan. 18, 1870
USPTO pdf tiff
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Description:
The handle connected to the movable jaw slides on a guide-rod or tongue on the back of the handle attached to the hook jaw. This arrangement creates a "self-adjusting" action.

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