Animal husbandry – Feeder or waterer – Bird feeder
Patent
1983-12-20
1986-08-26
Largen, James R.
Animal husbandry
Feeder or waterer
Bird feeder
Patent
active
D02853752
REFERENCES:
patent: D39212 (1908-03-01), Pinkerton-Gardiner
patent: D45434 (1914-03-01), Sheer
patent: D161466 (1951-01-01), Ketay
patent: D250355 (1978-11-01), Marsh
patent: 3434474 (1969-03-01), Reynolds
patent: 3502079 (1970-03-01), Simmons et al.
patent: 3777752 (1973-12-01), Goodwin
patent: 4316464 (1982-02-01), Peterson
patent: 4449968 (1984-05-01), Peterson
Largen James R.
Lee, Jr. Warrick E.
Schering Corporation
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