Sprinkler head

Details Sprinkler head Sprinkler head

1997-01-29

1998-10-13

Douglas, Alan P.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Dispersal

2301

Patent

active

D03995534

REFERENCES:
patent: D134562 (1942-12-01), Murphy
patent: 2563300 (1951-08-01), Aker
patent: 2964248 (1960-12-01), O'brien et al.
patent: 3596835 (1971-08-01), Smith et al.
patent: 4491182 (1985-01-01), Pieczykolan
patent: 4568022 (1986-02-01), Scrivnor
patent: 4618001 (1986-10-01), Hoening
patent: 4618002 (1986-10-01), Mears
patent: 4624414 (1986-11-01), Ferrazza
patent: 4766961 (1988-08-01), Macie
patent: 4785887 (1988-11-01), Miller
patent: 4785888 (1988-11-01), Blum et al.
patent: 4830117 (1989-05-01), Capasso
patent: 4928773 (1990-05-01), White
patent: 4938292 (1990-07-01), Johnson
Grinnel Catalog, 1988 illustrating Model F905, F995, F996 sprinkler heads.
Advertisement, Fire Protection Contractor, Feb. 1991, p. 43.
Trademark Registration 1,787,890.

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