Inventor
DUVALL WILLIAM
US8 patents
⚠️ This page may combine multiple inventors who share the name “DUVALL WILLIAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LOJACK CORP
3 patentsUS6665613B2Dec 16, 2003
Method of and apparatus for dynamically GoeFencing movable vehicle and other equipment and the like
LOJACK CORP365 citations97
US6847825B1Jan 25, 2005
Method and system for portable cellular phone voice communication and positional location data communication
LOJACK CORP140 citations95
US7106211B2Sep 12, 2006
Method of and apparatus for vehicle inspection and the like with security for the inspector and facility for radio tracking of a vehicle attempting escape from the inspector
LOJACK CORP21 citations91
LOJACK OPERATING CO LP
3 patentsUS6876858B1Apr 5, 2005
Methods of and system for portable cellular phone voice communication and positional location data communication using the cellular phone network control channel
LOJACK OPERATING CO LP176 citations96
US7561102B2Jul 14, 2009
Method of and system for expanding localized missing customer-vehicle law enforcement-aided VHF recovery networks with location-on-demand supplemental service features via such networks for improved law enforcement-aided recovery, and via the internet for providing supplemental customer service features
LOJACK OPERATING CO LP53 citations93
US7536169B2May 19, 2009
Method of and apparatus for utilizing geographically spread cellular radio networks to supplement more geographically limited stolen vehicle recovery radio networks in activation of radio tracking and recovery of such vehicles
LOJACK OPERATING CO LP8 citations82