Inventor

ROCK TIMOTHY A

US5 patents

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

AT & T CORP

4 patents

US6975873B1Dec 13, 2005

System and method for tracking the relative location of mobile stations belonging to a pre-defined group of mobile stations

AT & T CORP191 citations98

US7228224B1Jun 5, 2007

System and method for determining traffic conditions

AT & T CORP38 citations95

US7400892B1Jul 15, 2008

System and method for tracking the relative location of mobile stations belonging to a pre-defined group of mobile stations

AT & T CORP19 citations92

US7392130B1Jun 24, 2008

System and method for determining traffic conditions

AT & T CORP25 citations92

AT & T IP II LP

1 patent

US7593809B2Sep 22, 2009

System and method for determining traffic conditions

AT & T IP II LP14 citations92