Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Design Patent
2000-11-20
2001-09-11
Davis, Antoine Duval (Department: 2913)
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
Design Patent
active
D0447756
CLAIM:
The ornamental design for a grinding machine, as shown and described.
REFERENCES:
patent: 4750297 (1988-06-01), Anderson
patent: 6106388 (2000-08-01), Green
patent: 6123611 (2000-09-01), Lawrence, Jr.
Baxley Charles E.
Davis Antoine Duval
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