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US Patent: 1,310,641
Wrench
Patentee:
Herman A. Welch - Coldwater, KS

USPTO Classifications:
81/125.1, 81/177.85

Tool Categories:
wrenches : automotive specialty wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. E. Walling
Wm. H. Mulligan
Dick H. Rich
Bessie L. Pannell

Patent Dates:
Applied: Aug. 12, 1918
Granted: Jul. 22, 1919

Patent Pictures:
Herman A. Welch Pat. July 22, 1919
USPTO pdf tiff
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Description:
The socket and open end combination with its intervening odd curves is motivated by inaccessible nuts in the Model T Ford. The shank bends also form handles for both the open end and socket.

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