Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Patent
1991-09-09
1993-03-16
Douglas, Alan P.
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
Patent
active
D03340171
REFERENCES:
patent: D230504 (1974-02-01), Gentry et al.
patent: D266522 (1982-10-01), Norris et al.
patent: 3741670 (1973-06-01), Wood
patent: 3967687 (1976-07-01), Fowler
patent: 4533284 (1985-08-01), Agius et al.
patent: 4936720 (1990-06-01), Dolatowski et al.
patent: 5051044 (1991-09-01), Allen
Mummaw Richard A.
Wise Carl E.
Davis Antoine D.
Douglas Alan P.
Triple "R" Specialty of Jax., Inc.
Yeager Arthur G.
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