US Patent: 2,708,381 - Hydraulic machine vise having cylinder-advanced spring-retracted jaw-operating screw


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US Patent: 2,708,381

Hydraulic machine vise having cylinder-advanced spring-retracted jaw-operating screw

Patentee:

Elmer T. Olson (exact or similar names) - Minneapolis, MN

USPTO Classifications:

269/157, 269/32

Tool Categories:

work holding : vises : bench vises

Assignees:

William J. Rawitzer - Minneapolis, MN

Elmer T. Olson - Minneapolis, MN

Manufacturer:

Wilton Tool Mfg. Co., Inc. - Schiller Park, IL

Witnesses:

Unknown

Patent Dates:
Applied:	Jul. 20, 1953
Granted:	May 17, 1955

Patent Pictures:

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Vintage Machinery entry for Wilton Corp.

Description:

This patent is from an application that was divided from the application that led to patent 2,693,727. This patent was used for Wilton's Milomatic Machine Vises.