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US Patent: 597,990
Wrench
Patentee:
Axel A. Larson (exact or similar names) - Charter Oak, IA

USPTO Classifications:
81/91.2

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Victor J. Evans
H. J. Koerth
J. G. Shumaker
Victor Carlson
Patent Dates:
Applied: Jul. 27, 1897
Granted: Jan. 25, 1898

Patent Pictures:
Axel A. Larson patent January 25, 1898
USPTO (New site tip)
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Description:
Compound leverage and self-adjusting -- pliers type pipe wrench.

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