Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Patent
1988-12-29
1992-03-10
Dunkins, Bruce W.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
D 8 70
Patent
active
D03245268
REFERENCES:
patent: 2740308 (1956-04-01), Blanchard
patent: 3276326 (1966-10-01), Gibbons et al.
patent: 4256420 (1981-03-01), Day
patent: 4522539 (1985-06-01), Gibbs
patent: 4669926 (1987-06-01), Wilcox, Jr.
Asch Jeffrey
Dunkins Bruce W.
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