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US Patent: 1,731,482
Spindle Oscillator
Patentees:
Hans Ernst (exact or similar names) - Cincinnati, OH
Lester F. Nenninger (exact or similar names) - Cincinnati, OH

USPTO Classifications:
451/156, 60/379, 91/210

Tool Categories:
metalworking machines : grinding machines

Assignees:
Cincinnati Grinders, Inc. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 09, 1926
Granted: Oct. 15, 1929

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cincinnati Grinders, Inc.

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