Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Design Patent
2003-02-01
2004-02-17
Davis, Antoine Duval (Department: 2913)
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
Design Patent
active
D0486839
CLAIM:
The ornamental design for a grinding disc, as shown and described.
REFERENCES:
patent: 3517466 (1970-06-01), Bouvier
patent: 6371842 (2002-04-01), Romero
patent: 6419574 (2002-07-01), Takahashi et al.
patent: 383532 (1974-08-01), None
patent: 771815 (1989-10-01), None
patent: 771815-1 (1990-08-01), None
patent: 996046 (1997-11-01), None
Murata Hisayuki
Sunagawa Katsuji
Casella Anthony J.
Davis Antoine Duval
Hespos Gerald E.
Sanwa Kenma, Ltd.
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