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Patent number:
Patent Date:
US Patent: 2,282,912
Grinding Wheel
Patentee:
Edward Van der Pyl (
exact
or
similar
names) - Holden, Worcester County, MA
USPTO Classifications:
451/548
,
51/293
Tool Categories:
metalworking machines
:
grinders
:
sharpening machines
:
grinding wheels
Assignees:
Norton Co.
- Worcester, Worcester County, MA
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Sep. 11, 1939
Granted:
May 12, 1942
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Norton Co.
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