harleyargotech robert harley video conferencing company based austin texas says going pursue royalties transmission jpeg images already found licensee sony corporation formerly known vtel forgent networks acquired compression labs 1997 acquiring patent bargain patent claim filed 1986 compression labs never pursued royalties rest httpwwwtheregistercoukcontent426272html patent httppatftusptogovnetacginphparsersect1pto1sect2hitoffdpallp1unetahtmlsrchnumhtmr1fgl50s14698672wkuospn4698672rspn4698672 groan rob _ httpxentcommailmanlistinfofork fri 19 jul 2002 181136 0200 cest jpegs patented