Animal husbandry – Waste collector
Patent
1987-12-07
1988-11-22
Largen, James R.
Animal husbandry
Waste collector
Patent
active
D02986728
REFERENCES:
patent: 3016042 (1962-01-01), Corn, Jr.
patent: 3482546 (1969-12-01), Anderson
patent: 3496912 (1970-02-01), Cockrell
patent: 3581708 (1971-06-01), Beck
patent: 3793989 (1974-02-01), Clark
Demeur Basil E.
Knechtel Robert E.
Largen James R.
Samlan Alan B.
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