DC

Douglas Charney

VL Vtech Telecommunications Limited: 4 patents #13 of 74Top 20%
Overall (All Time): #1,247,193 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7515702 Method and system for downloading audio samples for personalized telephone ring tones Gary Rogalski 2009-04-07
7386104 Method and system for transferring data to a line connected device using a computer modem Douglas Alvarado 2008-06-10
7386304 Method and system for transferring data for upgrading features in portable electronic devices Douglas Alvarado 2008-06-10
6990356 Cordless telephone system with wireless expansion peripherals Gordon Ryley 2006-01-24