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US Patent: 781,958
Clamp
Patentee:
Herman A. Knoke - Chicago, IL

USPTO Classifications:
269/220, 269/236, 269/242

Tool Categories:
work holding : clamps : hand screws

Assignees:
None

Manufacturer:
Superior Clamp Mfg. Co. - Chicago, IL
Handy Manufacturing Co. - Chicago, IL

Witnesses:
L. Heislar
Walter N. Winberg

Patent Dates:
Applied: May 06, 1904
Granted: Feb. 07, 1905

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Handy Manufacturing Co.
Description:
This patent is also found with Knoke's later patent, 810,543, which provides a quick release mechanism for hand clamps.

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