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Patent number:
Patent Date:
US Patent: 1,695,759
Grinding Machine
Patentee:
Prentice Conradson (
exact
or
similar
names) - Evansville, Rock County, WI
USPTO Classifications:
451/340
,
451/64
Tool Categories:
metalworking machines
:
grinding machines
Assignees:
Heald Machine Co.
- Worcester, Worcester County, MA
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Feb. 15, 1923
Granted:
Dec. 18, 1928
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Heald Machine Co.
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