Sprinkler

Details Sprinkler Sprinkler

1982-12-01

1984-12-11

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Patent

active

D02767430

REFERENCES:
patent: D243179 (1977-01-01), Jooste et al.
patent: D264491 (1982-05-01), Hunter
patent: 1931761 (1933-10-01), Hertel
patent: 2989246 (1961-06-01), Sloane
patent: 3239149 (1966-03-01), Lindberg, Jr.
patent: 3317144 (1967-05-01), Muschett
patent: 3408006 (1968-10-01), Stanwood
patent: 3940066 (1976-02-01), Hunter
patent: 3940066 (1976-02-01), Hunter
patent: 4132358 (1979-01-01), Keely
patent: 4189099 (1980-02-01), Bruninga

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