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US Patent: 753,374
Wrench
Patentee:
Allen DeVilbiss, Jr. - Toledo, OH

USPTO Classifications:
81/353

Tool Categories:
pliers

Assignees:
None

Manufacturer:
DeVilbiss Plier Co. - Dundee, MI

Witnesses:
S. R. Brattan
Eugene M. Sliney
N. L. Collamer
J. F. Brandenburg

Patent Dates:
Applied: Nov. 12, 1903
Granted: Mar. 01, 1904

Patent Pictures: [ 1 | 2 ]
Allen DeVilbiss Jr. patent March 1, 1904
USPTO pdf tiff
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Making DeVilbiss Pliers (pt. 1) MACHIINERY MAY 1910
Making DeVilbiss Pliers (pt. 2) MACHINERY JUNE 1910
Description:
Parallel jaw pliers with paired cams between the handles and "tail" of the jaws. This structure would not have an "open throat" like the BERNARD parallel jaw pliers (pat no. 427,220 and subsequent expansions & improvements).

May & June 1910 articles in MACHINERY provide details on the shop and manufacturing processes used to produce these pliers and show examples of several sizes. The pliers with side cutter illustrated in those articles was based on patent no. 958,807.

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