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US Patent: 1,445,875
Grinding machine
Patentees:
Charles E. Van Norman (exact or similar names) - Springfield, MA
Robert W. Ellingham (exact or similar names) - Springfield, MA

USPTO Classifications:
451/221, 451/252, 451/254, 451/294, 451/363, 451/365, 451/398, 451/435, 451/64, 451/69, 82/165

Tool Categories:
trade specific : vehicle repairer : vehicle mechanic
metalworking machines : grinders : cylindrical grinders

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 29, 1921
Granted: Feb. 20, 1923

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Van Norman Machine Tool Co.
Description:
This lathe-style grinder is intended for use in repairing automotive pistons, wrist pins, valves, and the like.

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