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US Patent: 1,846,956
Grinding Machinery
Patentees:
Sol Einstein (exact or similar names) - Cincinnati, OH
Lester F. Nenninger (exact or similar names) - Cincinnati, OH
Fred Haas (exact or similar names) - Cincinnati, OH

USPTO Classifications:
451/14, 451/16

Tool Categories:
metalworking machines : grinding machines

Assignees:
Cincinnati Grinders, Inc. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 22, 1926
Granted: Feb. 23, 1932

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cincinnati Grinders, Inc.

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