Inventor
CHARNEY DOUGLAS
CA4 patents
⚠️ This page may combine multiple inventors who share the name “CHARNEY DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VTECH TELECOMM LTD
3 patentsUS7386304B2Jun 10, 2008
Method and system for transferring data for upgrading features in portable electronic devices
VTECH TELECOMM LTD9 citations77
US7515702B2Apr 7, 2009
Method and system for downloading audio samples for personalized telephone ring tones
VTECH TELECOMM LTD4 citations59
US7386104B2Jun 10, 2008
Method and system for transferring data to a line connected device using a computer modem
VTECH TELECOMM LTD0 citations45