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US Patent: 2,378,304
Control means for power operated machinery
Patentee:
Max T. Knutzen - Dundas, ON Canada

USPTO Classifications:
188/110, 188/151R, 188/174

Tool Categories:

Assignees:
John Bertram & Sons - Dundas, ON Canada

Manufacturer:
John Bertram & Sons - Dundas, ON Canada

Witnesses:
Unknown

Patent Dates:
Applied: May 07, 1943
Granted: Jun. 12, 1945

Patent Pictures:
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"Vintage Machinery" entry for John Bertram & Sons
Description:
"This invention relates to control means for power operated machinery such as mine hoists."

This invention is of interest because the assignee, in the distant past, made woodworking machinery.

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