| VERSALYZER GREAT LAKES INSTRUMENTS, INC.
73557432 09 Sep 1985 | on 06 Jan 2007 | MEASUREMENT SIGNAL RECEIVER AND ANALYZER,MEASUREMENT SIGNAL RECEIVER A... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products MEASUREMENT SIGNAL RECEIVER AND ANALYZER | | | GLI INTERNATIONAL Great Lakes Instruments, Inc.
75010169 20 Oct 1995 | on 24 Jul 2004 | sensors and probes for the measurement of PH, oxidation-reduction pote... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products GREAT LAKES INSTRUMENTS INTERNATIONAL | | | GLI GREAT LAKES INSTRUMENTS, INC.
73073513 22 Dec 1975 | on 11 Nov 1997 | PH, CONDUCTIVITY AND OXIDATION-REDUCTION SENSING CELLS AND PROBES AND ... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products PH, CONDUCTIVITY AND OXIDATION-REDUCTION SENSING CELLS AND PROBES AND ANALYZERS AND CONTROLS USED THEREWITH, AND LIQUID LEVEL SENSORS | |