Mark Identification

ESP

Serial Number

73827538

Filing Date

Sep 25, 1989

Registration Date

Apr 16, 1991

Trademark by

BETZ ENTEC INC.

Classification Information

ELECTRONIC LOGIC CONTROL UNIT FOR USE IN THE TREATMENT OF INDIVIDUAL WATER SYSTEMS, NAMELY TO ANALYZE THE CHEMICAL MAKEUP OF THE WATER; DETERMINE THE PROPER TREATMENT PROGRAM; APPLY THE REQUIRED TREATMENT; CONTROL THE APPLICATION OF THE TREATMENT; AND MONITOR THE EFFECTIVENESS OF THE TREATMENT

Electrical and Scientific Apparatus