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US Patent: 49,424
Improved Gas-Fitter's Clamp or Wrench
Improvement in Gas-Fitter's Tongs
Andrew B. Lipsey - New York, NY

USPTO Classifications:
81/131, 81/413

Tool Categories:
wrenches : pipe wrenches : pipe tongs


Not known to have been produced

M. M. Livingston
Albert W. Brown

Patent Dates:
Applied: Jun. 09, 1865
Granted: Aug. 15, 1865

Patent Pictures:
Andrew B. Lipsey Pat. Aug. 15, 1865
USPTO pdf tiff
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This tongs type pipe wrench has one "leg" passing through a slot in the other. The slotted "leg" has a hook jaw and "teeth" on the edge of the slot. The other "leg" has a gripping tooth on the end, and teeth on the back side that engage the teeth in the slot.

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