Sprinkler

Details Sprinkler Sprinkler

1997-10-29

1999-01-05

Douglas, Alan P.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Dispersal

2301

Patent

active

D04037448

REFERENCES:
patent: D185102 (1959-05-01), Smith
patent: D269367 (1983-06-01), Mackay et al.
patent: D281996 (1985-12-01), Hayes
patent: D366308 (1996-01-01), Goodman et al.
patent: 4457471 (1984-07-01), Roman
patent: 4568023 (1986-02-01), Hayes

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