Animal husbandry – Watering or liquid feed device – Fountains and troughs
Patent
1985-10-08
1987-09-08
Swiatek, Robert P.
Animal husbandry
Watering or liquid feed device
Fountains and troughs
119 51R, A01K 39026
Patent
active
046916652
ABSTRACT:
A hummingbird feeder device suspended usually by a wire or string dispenses nectar to hummingbirds. An ant barrier is created by completely encircling the support used for suspension with a wall forming a moat containing an edible cooking oil or some other substance known to bar the passage of ants.
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patent: 1834516 (1931-12-01), Dains
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patent: 3292589 (1966-12-01), Williams
patent: 3441002 (1969-04-01), Lawalin et al.
patent: 3913527 (1975-10-01), Kilham
patent: 4019462 (1977-04-01), Palfalvy
patent: 4441458 (1984-04-01), Mercil
patent: 4558662 (1985-12-01), Peterson
Hefner Plastics, Inc.
Swiatek Robert P.
Zobal Arthur F.
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