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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:
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