| BOILERWATCH SCIENTIFIC ENGINEERING INSTRUMENTS, INC.
73697787 27 Nov 1987 | on 09 May 2009 | ACOUSTIC TEMPERATURE MEASUREMENT AND LEAK DETECTION APPARATUS FOR BOIL... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products ACOUSTIC TEMPERATURE MEASUREMENT AND LEAK DETECTION APPARATUS FOR BOILERS | | | STACKWATCH Scientific Engineering Instruments, Inc.
74261798 02 Apr 1992 | on 22 Nov 2003 | temperature and velocity monitoring system comprising acoustic transdu... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products temperature and velocity monitoring system comprising acoustic transducers, thermal measurement instruments, and pitot tubes for conducting measurements in smoke stacks, and electronic computing equipment | | | FLAMEWATCH Scientific Engineering Instruments, Inc.
74587694 20 Oct 1994 | on 27 Sep 1997 | acoustic flame detector,acoustic flame detector Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products acoustic flame detector | |