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US Patent: 975,591
Mechanical movement
Patentee:
William A. Whitney - Rockford, IL

USPTO Classifications:
269/246, 74/424.89

Tool Categories:
metalworking machines : metal punches

Assignees:
None

Manufacturer:
Whitney Metal Tool Co. - Rockford, IL

Witnesses:
Henry Reynolds
N. P. Nelson

Patent Dates:
Applied: Jul. 30, 1908
Granted: Nov. 15, 1910

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Roper Whitney, Inc.
Description:
This patent was subsequently improved in patent 1,389,565; see that patent for a description of how this patent works.

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