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US Patent: 996,435
Valve-grinder
Patentee:
Elvin E. Townsend (exact or similar names) - Oakland, CA

USPTO Classifications:
451/117, 74/70

Tool Categories:
trade specific : vehicle repairer : vehicle mechanic
trade specific : vehicle repairer : vehicle mechanic

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. J. Schroeder
H. C. Schroeder

Patent Dates:
Applied: Oct. 04, 1910
Granted: Jun. 27, 1911

Patent Pictures:
USPTO (New site tip)
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Description:
This invention provides an oscillating mechanism for the valve grinder of patent 959,653.

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