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Patent number:
Patent Date:
US Patent: 2,821,818
Lapping Machine and Automatic Feed Mechanism Therefor
Patentees:
Harold E. McGee (
exact
or
similar
names) - Rockford, Winnebago County, IL
Walter S. Swanson (
exact
or
similar
names) - Rockford, Winnebago County, IL
USPTO Classifications:
451/292
,
451/331
Tool Categories:
metalworking machines
:
grinders
:
lapping machines
metalworking machines
:
metalworking machine mechanisms
Assignees:
Crane Packing Co.
- Chicago, IL
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jun. 18, 1954
Granted:
Feb. 04, 1958
Patent Pictures:
USPTO
(New site tip)
Google Patents
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