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US Patent: 2,353,246
Control means for power-operated machine
Patentee: Max T. Knutzen (exact or similar names) - Dundas, ON Canada USPTO Classifications: 192/15, 91/384, 91/445, 91/517 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: Jul. 11, 1944 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John Bertram & Sons
Description: The invention relates to a mine hoist. It is of interest because the assignee, in its distant past, made woodworking machinery.

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