| ULTRAFLEX Arrowhead Industrial Water, Inc.
74228017 05 Dec 1991 | on 04 May 1993 | modular filtration units comprised of a microporous or semi-permeable ... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) ULTRA-FLEX | | | PREFLEX Arrowhead Industrial Water, Inc.
74228013 05 Dec 1991 | on 04 May 1993 | modular units comprised of activiated carbon, cation exchange resin or... Class 011 Class 011 Environmental Control Instrument Products (lighting,heating,cooling,cooking) modular units comprised of activiated carbon, cation exchange resin or filter media for use in water treatment and/or purification systems | |