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US Patent: 2,384,078
Throttle Valve for Machine Tool Control
Patentee:
Frank W. Curtis - Springfield, Hampden County, MA

USPTO Classifications:
251/209

Tool Categories:
metalworking machines : milling machines
metalworking machines : machine tool controls

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 05, 1941
Granted: Sep. 04, 1945

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Van Norman Machine Tool Co.

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