Animal husbandry – Feeder or waterer – Bird feeder
Patent
1979-10-16
1981-09-01
Largen, James R.
Animal husbandry
Feeder or waterer
Bird feeder
D3002
Patent
active
D02605660
REFERENCES:
patent: D144089 (1946-03-01), Zahu et al.
patent: D255271 (1980-06-01), Voss
patent: D255272 (1980-06-01), Voss
patent: 2231334 (1941-02-01), Havlis
patent: 2611338 (1952-09-01), Yellin
patent: 2864335 (1958-12-01), Yellin
patent: 3785343 (1974-01-01), Baratta
Popular Mechanics, Mar. 1947, p. 170, bottom right item.
Biro Michael
Muckenfuss Hans
Largen James R.
Rolf C. Hagen Ltd.
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