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US Patent: 1,763,201
Magnetic throw-off for grinding machines
Patentee:
Frederick D. Van Norman (exact or similar names) - Springfield, MA

USPTO Classifications:
451/17

Tool Categories:
metalworking machines : grinders

Assignees:
Van Norman Machine Tool Co. - Springfield, MA

Manufacturer:
Van Norman Machine Tool Co. - Springfield, MA

Witnesses:
Unknown

Patent Dates:
Applied: May 18, 1928
Granted: Jun. 10, 1930

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Van Norman Machine Tool Co.
Description:
Improvements to patent RE13,892.

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