US Patent: 1,349,330 - Fluid-operated vise


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US Patent: 1,349,330

Fluid-operated vise

Patentee:

Jesse Ditson (exact or similar names) - Littleton, CO

USPTO Classifications:

269/242, 269/32, 76/5.4

Tool Categories:

work holding : vises : vise mechanisms

Assignees:

Ingersoll-Rand Co. - New York, NY

Manufacturer:

Ingersoll-Rand Co. - New York, NY

Witnesses:

Unknown

Patent Dates:
Applied:	Jul. 22, 1919
Granted:	Aug. 10, 1920

Patent Pictures:

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Vintage Machinery entry for Ingersoll-Rand Co.

Description:

This patent date was seen on an Ingersoll-Rand compressor and is the only Ingersoll-Rand patent we can find on that date. The invention is an improvement to patent 1,306,106, which relates to sharpening rock drills.