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US Patent: 284,933
Pipe Tongs
George W. Wilbur - Providence, RI

USPTO Classifications:
81/100, 81/411, 81/99, 81/DIG.6

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Atwater E. Brockett - Branford, CT

Not known to have been produced

James R. Bowen
Alfred L. Brown
Frank S. Arnold
Herman A. O'Neil

Patent Dates:
Applied: Feb. 26, 1883
Granted: Sep. 11, 1883

Patent Pictures:
George W. Wilbur patent September 11, 1883
USPTO pdf tiff
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The hook jaw can be shifted to one of several notches to adjust for size. A sliding bolt with compression spring holds the selected adjustment.

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