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US Patent: RE15,035
Roll-grinding machine
Patentee:
Lewis R. Heim (exact or similar names) - Danbury, CT

USPTO Classifications:
451/182

Tool Categories:
metalworking machines : grinders : centerless grinders

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 08, 1920
Granted: Jan. 25, 1921

Reissue Information:
Reissue of 1,210,937 (Jan. 02, 1917)

Patent Pictures:
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