Animal husbandry – Feeder or waterer – Bird feeder
Patent
1984-01-30
1986-11-11
Burke, Wallace R.
Animal husbandry
Feeder or waterer
Bird feeder
D30 1
Patent
active
D02866943
REFERENCES:
patent: D255723 (1980-07-01), Anderson
patent: 3613639 (1971-10-01), Lee et al.
patent: 3710761 (1973-01-01), Gregory
Burke Wallace R.
Shapiro Allan M.
Vinson Brian N.
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