Animal husbandry – Feeding device – Hopper and trough
Patent
1987-07-23
1989-06-27
Swiatek, Robert P.
Animal husbandry
Feeding device
Hopper and trough
A01K 1504, E04H 916
Patent
active
048419141
ABSTRACT:
Undesirable bird perches are eliminated by attaching to the perch location a small gauge wire in a spiral shape, the wire being of sufficiently light gauge so as not to stably support the birds utilizing the perch, but of sufficiently heavy gauge, and the individual spirals being of proper size and spacing so as to interfere with the bird's ability to alight comfortably on the perch location.
REFERENCES:
patent: 2258803 (1941-10-01), Peles
patent: 2304593 (1942-12-01), Peles
patent: 2456731 (1948-12-01), Peles
patent: 2938244 (1960-05-01), Christensen
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