Animal watering valve

Details Animal watering valve Animal watering valve

1990-03-13

1993-02-02

Largen, James R.

Animal husbandry

Feeder or waterer

Waterer

Patent

active

D03330176

REFERENCES:
patent: D219778 (1971-01-01), Leeming
patent: D241557 (1976-09-01), Olde
patent: 666026 (1901-01-01), Richards
patent: 718550 (1903-01-01), Vaughn
patent: 935268 (1909-09-01), Levedahl
patent: 1677446 (1928-07-01), Hartmetz
patent: 1877197 (1932-09-01), Price et al.
patent: 2636513 (1953-04-01), Schmid
patent: 2809800 (1957-10-01), Ahl
patent: 3646955 (1972-03-01), Olde
patent: 4663816 (1987-01-01), Ove et al.
patent: 4903944 (1990-02-01), Butzen et al.
patent: 5003927 (1991-04-01), Thompson
Animal Pet Care Products Catalog; p. 21, item J-Worry Free Waterer.

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