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Patent number:
Patent Date:
US Patent: 2,328,061
Hydraulic Vise
Patentee:
Frank W. Curtis (
exact
or
similar
names) - 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
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Van Norman Machine Tool Co.
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