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US Patent: 2,892,413
Anti-hum device
Patentee:
Robert W. Erikson (exact or similar names) - Rockford, IL

USPTO Classifications:
417/199.1, 417/206, 417/286, 418/3, 91/499

Tool Categories:

Assignees:
Sundstrand Machine Tool Co. - Rockford, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 25, 1955
Granted: Jun. 30, 1959

Patent Pictures:
USPTO (New site tip)
Google Patents
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