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US Patent: 546,101
Pipe Tongs
Universal Pipe Tongs
Patentee:
August Waldemar Ingelson (exact or similar names) - Torshaella , Sweden

USPTO Classifications:
81/100, 81/129.5

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Theo. L. Popp
Henry L. Deck
K. Kallenberg
M. Anderberg

Patent Dates:
Applied: Jul. 25, 1894
Granted: Sep. 10, 1895

Patent Pictures:
August Waldemar Ingelson patent September 10, 1895
USPTO (New site tip)
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Description:
The adjustable hook jaw wedges between a tooth on the fixed jaw and anti-friction rollers.

The patent received Swedish patent no. 5,030 dated September 2, 1893.

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