Title:
Doctor blade grinder
United States Patent 2875558
US Patent References:
Ring-grinding machine
- - 1502099

Art of grinding annular surfaces
- - 2424544

Valve cage grinder
- - 2721425


Inventors:
Thomas, Williams Arthur
Robert, Tidland Charles
Publication Date:
03/03/1959
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Assignee:
TIDLAND MACHINE COMPANY
Primary Class:
451/285
Other Classes:
451/413
International Classes:
B24B3/52; B24B3/00
Foreign References:
DE110446C