CH Patent: 140,791 - Method and Machine for Dressing Tubular Objects on the Outside and Inside


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CH Patent: CH-140,791

Verfahren Und Maschine Zum Zurichten Röhrenförmiger Gegenstände Auf Der Aussen- Und Innenseite
Method and Machine for Dressing Tubular Objects on the Outside and Inside

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:	Nov. 01, 1927
Granted:	Jun. 30, 1930

Patent Pictures:

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