Machines not elsewhere specified – Material working – abrading – or founding machinery – Molding or casting
Patent
1990-02-28
1992-11-10
Walsh, Donald P.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Molding or casting
Patent
active
D03308995
REFERENCES:
patent: D223350 (1972-04-01), Pickett
patent: D223522 (1972-04-01), Congdon et al.
patent: D264991 (1982-06-01), Quandt
patent: D280662 (1985-09-01), Bartfay et al.
patent: 3319289 (1967-05-01), McCormick
Davis Antoine D.
Leica Instruments GmbH
Walsh Donald P.
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