FR Patent: 672,876 - Improvements in Grinding Processes and Machines Intended to Grind Parts With Several Different Diameters


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FR Patent: FR-672,876

Perfectionnements Aux Procédés de Rectification et Aux Machines Destinées à Rectifier Des Pièces Comportant Plusieurs Diamètres Différents
Improvements in Grinding Processes and Machines Intended to Grind Parts With Several Different Diameters

Patentee:

none listed (exact or similar names) - none listed,

USPTO Classifications:

Tool Categories:

metalworking machines : grinding machines

Assignees:

Cincinnati Grinders, Inc. - Cincinnati, Hamilton County, OH

Manufacturer:

Cincinnati Grinders, Inc. - Cincinnati, Hamilton County, OH

Witnesses:

Unknown

Patent Dates:
Applied:	Apr. 09, 1928
Granted:	Jan. 08, 1930

Patent Pictures:

Espacenet patent
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cincinnati Grinders, Inc.