Combined quick-change filter cartridge and head

Details Combined quick-change filter cartridge and head Combined quick-change filter cartridge and head

1989-09-26

1991-01-15

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Treatment

Patent

active

D03138321

REFERENCES:
patent: D188688 (1960-08-01), Sicard
patent: D199075 (1964-09-01), Kudlaty
patent: D199139 (1964-09-01), Kudlaty
patent: D220263 (1971-03-01), Hughes
patent: D251380 (1979-03-01), Casamitjana
patent: D295438 (1988-04-01), Bray et al.
patent: 1624526 (1927-04-01), Bohmsack
patent: 2955712 (1960-10-01), Gutkowski
patent: 3237770 (1966-03-01), Humbert, Jr.
patent: 4192750 (1980-03-01), Elfes et al.
Brookstone Catalog Advertisement item water filter system, Jan. 1986, p. 42.

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