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US Patent: 1,264,930
Roll Grinding Machine
Patentee:
Lewis R. Heim (exact or similar names) - Danbury, CT

USPTO Classifications:
451/194, 451/209, 451/244, 451/284, 451/407

Tool Categories:

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

Manufacturer:
Not known to have been produced

Witnesses:
Chester F. Hayden
Patent Dates:
Applied: Jul. 13, 1917
Granted: May 07, 1918

Patent Pictures:
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Description:
A. M. Wooster - patent attorney

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