Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1990-06-20
1992-08-11
Lucas, Susan J.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
Patent
active
D03286045
REFERENCES:
patent: D251772 (1979-05-01), Ernst et al.
patent: D280202 (1985-08-01), Aldridge, Jr.
patent: D285929 (1986-09-01), Cheng
patent: 3256647 (1966-06-01), Mutton
patent: 4209950 (1980-07-01), Sielemann
patent: 4388780 (1983-06-01), Rees
patent: 4768309 (1988-09-01), Miller
Lucas Susan J.
Tung M. H.
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