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Patent number:
Patent Date:
US Patent: 4,987,701
Endless belt valve grinder
Patentee:
Marvin H. Humbert (
exact
or
similar
names) - Aberdeen, SD
USPTO Classifications:
451/252
,
451/307
,
451/385
,
451/398
Tool Categories:
trade specific
:
vehicle repairer
:
vehicle mechanic
:
valve and seat maintenance
Assignees:
K. O. Lee Co.
- Aberdeen, SD
Manufacturer:
K. O. Lee Co.
- Aberdeen, SD
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 15, 1988
Granted:
Jan. 29, 1991
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Vintage Machinery entry for K. L. Lee Co.
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