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US Patent: 122,308
Improvement in Pipe Tongs
William H. Downing - Shamburg, PA

USPTO Classifications:
81/300, 81/415

Tool Categories:
wrenches : pipe wrenches : pipe tongs

William H. Downing - Shamburg, PA
Peter Morris - Shamburg, PA

Not known to have been produced

Andrew B. Howland
E. B. Frew
F. N. Nash

Patent Dates:
Granted: Jan. 02, 1872

Patent Pictures:
William H. Downing Pat. Jan. 2, 1872
USPTO pdf tiff
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This is a two-man tool for large pipe. The extension handle can be swung out of the way to allow for sharpening the "tooth" or one-man operation, and the other jaw has a limit screw on the end to prevent crushing the pipe.

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