Inventor
ORWICK DAVID ANTHONY
US8 patents
⚠️ This page may combine multiple inventors who share the name “ORWICK DAVID ANTHONY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SBC PROPERTIES LP
5 patentsUS7020268B2Mar 28, 2006
System and method for providing telephony services to remote subscribers
SBC PROPERTIES LP8 citations73
US6807272B2Oct 19, 2004
System and method for providing telephony services to remote subscribers
SBC PROPERTIES LP5 citations73
US6735285B2May 11, 2004
Emergency telephone call notification service system and method
SBC PROPERTIES LP10 citations73
US7272221B2Sep 18, 2007
System and method for providing telephony services to remote subscribers
SBC PROPERTIES LP3 citations62
US7187686B1Mar 6, 2007
Telecommunication system, method and subscriber unit for use therein
SBC PROPERTIES LP1 citations49