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US Patent: 1,518,579
Valve-grinding tool
Patentee:
Oscar D. Hapgood (exact or similar names) - Montague, MA

USPTO Classifications:
451/117

Tool Categories:

Assignees:
Goodell-Pratt Co. - Greenfield, MA

Manufacturer:
Goodell-Pratt Co. - Greenfield, MA

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 25, 1922
Granted: Dec. 09, 1924

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Goodell-Pratt Co.

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