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Patent number:
Patent Date:
US Patent: 2,918,761
Rubbing machine
Patentees:
Robert W. Hilgers (
exact
or
similar
names) - Rockford, IL
Howard E. Earl (
exact
or
similar
names) - Rockford, IL
USPTO Classifications:
451/357
Tool Categories:
Assignees:
Sundstrand Corp.
- Rockford, IL
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Apr. 24, 1957
Granted:
Dec. 29, 1959
Patent Pictures:
USPTO
(New site tip)
Google Patents
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