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Patent number:
Patent Date:
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:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Goodell-Pratt Co.
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