MINIDOPPLER by Koven Technology, Inc. (Track this)
Intl: (010) Medical Apparatus US: 026; 039; 044 Filing date: 11-Jul-2000 Serial number: 76086647
DOPPLER MAX by GRAY MEDIA GROUP, INC. (Track this)
Intl: (042) Computer, scientific & legal US: 100; 101 Filing date: 15-Mar-1999 Serial number: 75660922