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US Patent: 148,889
Pipe-Tongs
Patentee:
Anton Kotzum (exact or similar names) - New York, NY

USPTO Classifications:
81/129, 81/405, 81/409

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Paul Gospel
Alex. F. Roberts
E. Wolff
C. Sedgwick
Patent Dates:
Applied: Jan. 24, 1874
Granted: Mar. 24, 1874

Patent Pictures:
Anton Kotzum Pat. March 24, 1874
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Description:
The guide-piece and its clamping screw set the pivot point, making a relatively rapid adjustment for an adjustable pipe tongs.

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