Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Patent
1990-06-06
1992-12-08
Walsh, Donald P.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Abrading
D15126
Patent
active
D03315851
REFERENCES:
patent: D92378 (1934-05-01), Swingle
patent: 2350098 (1944-05-01), Decker
patent: 4920702 (1990-05-01), Kloss et al.
Davis Antoine D.
Walsh Donald P.
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