Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Patent
1983-10-27
1986-08-12
Bullock, B. J.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
Patent
active
D02850850
REFERENCES:
patent: D268498 (1983-04-01), Bagby
patent: 3196916 (1965-07-01), Urschel
patent: 3255646 (1966-06-01), Urschel
patent: 3823880 (1974-07-01), Urschel
patent: 3955767 (1976-05-01), Hise
patent: 3989196 (1976-11-01), Urschel
patent: 4090673 (1978-05-01), Ackers et al.
patent: 4513919 (1985-04-01), Terrenzio
patent: 4521996 (1985-06-01), Grund et al.
Fischer Robert R.
Urschel Joe R.
Bullock B. J.
Gitlin Suzanne N.
Penfold Charles S.
Urschel Laboratories Inc.
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