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Patent number:
Patent Date:
US Patent: 2,251,329
Rubbing machine
Patentee:
Gustaf H. Ekstrom (
exact
or
similar
names) - Rockford, IL
USPTO Classifications:
451/356
,
91/179
,
91/185
,
91/350
Tool Categories:
Assignees:
Sundstrand Machine Tool Co.
- Rockford, IL
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Nov. 06, 1937
Granted:
Aug. 05, 1941
Patent Pictures:
USPTO
(New site tip)
Google Patents
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