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US Patent: 199,539
Pipe-Tongs
Patentee:
George A. Harbaugh (exact or similar names) - Bellefonte, PA

USPTO Classifications:
81/180.1, 81/394

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. Y. Stitzer
William Newcomer

Patent Dates:
Applied: Aug. 18, 1877
Granted: Jan. 22, 1878

Patent Pictures:
George A. Harbaugh Pat. Jan. 22, 1878
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Description:
The patented feature is the pivot bolt and accompanying side-plate which adjust the tongs for various sizes of pipe. The tongs also has a spring-loaded bit in one jaw to provide "bite" to grip pipe.

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