Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Dispersal
Patent
1986-09-29
1988-03-15
Bullock, B. J.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Dispersal
Patent
active
D02947307
REFERENCES:
patent: D243179 (1977-01-01), Jooste et al.
patent: D253032 (1979-10-01), White
patent: 1882922 (1932-10-01), Robinson et al.
patent: 2796293 (1957-06-01), Becker
patent: 2909325 (1959-10-01), Hunter
patent: 4351477 (1982-09-01), Choi
Adjustable Precipitation Spray Head, "Popular Mechanics", Jul. 1977, p. 114.
Bullock B. J.
James Hardie Irrigation, Inc.
Peterson Gordon L.
Vinson Brian N.
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