Machines not elsewhere specified – Material working – abrading – or founding machinery – Molding or casting
Patent
1991-08-14
1993-12-21
Holtje, Nelson C.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Molding or casting
Patent
active
D03425282
REFERENCES:
patent: D5840 (1872-05-01), Ingalls
patent: D281505 (1985-11-01), Larsen et al.
patent: 1959657 (1934-04-01), Pierce
patent: 2893098 (1959-07-01), Tilley
patent: 3600773 (1971-08-01), Davis
patent: 4287141 (1981-09-01), Russell
patent: 4313689 (1982-02-01), Reinschutz
patent: 4354773 (1982-10-01), Novack
patent: 4407480 (1983-10-01), Timmer et al.
patent: 4609303 (1986-09-01), Shumaker
Davis Antoine D.
Holtje Nelson C.
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