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US Patent: 286,095
Valve Grinder
Patentee:
John D. Waldran (exact or similar names) - Memphis, Shelby County, TN

USPTO Classifications:
451/117

Tool Categories:
specialty tools : valve grinding tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 01, 1883
Granted: Oct. 02, 1883

Patent Pictures:
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