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US Patent: 2,328,061
Hydraulic Vise
Patentee:
Frank W. Curtis - Springfield, Hampden County, MA

USPTO Classifications:
269/140, 269/227, 269/30, 269/32, 91/470

Tool Categories:
metalworking machines : milling machines : milling machine accessories
work holding : vises : metalworking machine vises

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 16, 1942
Granted: Aug. 31, 1943

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

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