Inventor

ORWICK DAVID

US2 patents

⚠️ This page may combine multiple inventors who share the name “ORWICK DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMERITECH CORP

1 patent

US6370149B1Apr 9, 2002

Telecommunication system, method and subscriber unit for use therein

AMERITECH CORP145 citations97

SBC PROPERTIES LP

1 patent

US7126958B2Oct 24, 2006

Telecommunication system, method and subscriber unit for use therein

SBC PROPERTIES LP1 citations51