Sprinkler head

Details Sprinkler head Sprinkler head

1980-05-28

1981-06-02

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D23 6, D2301

Patent

active

D02594382

REFERENCES:
patent: D184373 (1959-02-01), Rider
patent: D253842 (1980-01-01), Addison
patent: 792309 (1905-06-01), Buell
patent: 921205 (1909-05-01), Cramer
patent: 1401196 (1921-12-01), Miller et al.
patent: 1736256 (1929-11-01), Doughty
patent: 1801459 (1931-04-01), Slauter
patent: 2058823 (1936-10-01), Pigott
patent: 2711925 (1955-06-01), King
patent: 3061204 (1962-10-01), MacInnes et al.
patent: 3586244 (1971-06-01), Johnson

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