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US Patent: 1,264,929
Grinding Machine
Patentee:
Lewis R. Heim (exact or similar names) - Danbury, CT

USPTO Classifications:
451/227

Tool Categories:

Assignees:
Ball & Roller Bearing Co. - Danbury, CT

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Jul. 13, 1917
Granted: May 07, 1918

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