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US Patent: 334,077
Wrench
Patentee:
Hans A. Larsen - Minneapolis, MN

USPTO Classifications:
81/147, 81/177.1

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

Assignees:
None

Manufacturer:
Hans A. Larsen - Minneapolis, MN

Witnesses:
Wm. Blackburn
Howe Paige
J. D. Shoup
P. H. Gunckel

Patent Dates:
Applied: Sep. 15, 1884
Granted: Jan. 12, 1886

Patent Pictures: [ 1 | 2 ]
Hans A Larsen patent January 12, 1886
USPTO pdf tiff
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Description:
A guard also serves as a hand grip when compressing the spring at the back of the movable jaw.

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