Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1989-12-29
1992-06-02
Walsh, Donald P.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
Patent
active
D03266648
REFERENCES:
patent: 3528326 (1970-09-01), Kilmer et al.
patent: 4423569 (1984-01-01), Stern et al.
patent: 4510717 (1985-04-01), Sherwin
patent: 5053971 (1991-10-01), Wood et al.
Hartman Laurie A.
Kennedy Brian H.
Berenato, III Joseph W.
Davis Antoine D.
National Optronics Inc.
Walsh Donald P.
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