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US Patent: 2,308,472
Valve seat grinding device
Patentee:
John A. Smith, II (exact or similar names) - Cincinnati, OH

USPTO Classifications:
384/537, 451/430, 451/548

Tool Categories:

Assignees:
United States Electrical Tool Co. - Cincinnati, OH

Manufacturer:
United States Electrical Tool Co. - Cincinnati, OH

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 24, 1941
Granted: Jan. 12, 1943

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for United States Electrical Tool Co.

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