Multiple orifice nozzle sprinkler

Details Multiple orifice nozzle sprinkler Multiple orifice nozzle sprinkler

1996-11-25

1997-12-30

Douglas, Alan P.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Dispersal

2301

Patent

active

D03885020

REFERENCES:
patent: D276453 (1984-11-01), DeVroom
patent: D299156 (1988-12-01), Heren
patent: 1696298 (1928-12-01), Graham
patent: 2909325 (1959-10-01), Hunter
patent: 3666181 (1972-05-01), Healy
patent: 4699321 (1987-10-01), Bivens et al.
patent: 4781328 (1988-11-01), Robertson
patent: 5005767 (1991-04-01), Heren
patent: 5141157 (1992-08-01), Han et al.
patent: 5226599 (1993-07-01), Lindermeir et al.
Popular Mechanics, adjustable precipitation spray head, p. 114, Jul. 1977.
Nelson Landscape and Turf Irrigation Equipment, item #6651, p. 6, Jan. 1986 .

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