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US Patent: 1,691,061
Grinding Device
Patentee:
Lewis R. Heim (exact or similar names) - Cincinnati, OH

USPTO Classifications:
451/242, 451/245, 451/407

Tool Categories:
metalworking machines : grinding machines

Assignees:
Cincinnati Grinders, Inc. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 17, 1921
Granted: Nov. 13, 1928

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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