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US Patent: 1,993,823
Art of Grinding
Patentee:
George W. Binns (exact or similar names) - Cincinnati, OH

USPTO Classifications:
451/242, 451/244, 451/49, 451/58, 451/914

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. 21, 1931
Granted: Mar. 12, 1935

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

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