Animal husbandry – Waste collector
Patent
1993-07-29
1995-10-17
MacCormac, Cathy Anne
Animal husbandry
Waste collector
Patent
active
D03633691
REFERENCES:
patent: D350784 (1994-09-01), Nielsen et al.
patent: D351489 (1994-10-01), Helfrick
patent: 2741223 (1956-04-01), Winborn, Jr.
patent: 3111932 (1963-11-01), Knutson
patent: 3796188 (1974-03-01), Bradstreet
patent: 3890931 (1975-06-01), Sauer
patent: 3921582 (1975-11-01), Sedlmeir
patent: 4014292 (1977-03-01), Coughlin et al.
patent: 4027625 (1977-06-01), Wheeler
patent: 4646684 (1987-03-01), Embry
patent: 4784082 (1988-11-01), Wolfe
Hoth Lawrence R.
MacCormac Cathy Anne
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