Inventor
GRIFFIS DONALD R
US7 patents
⚠️ This page may combine multiple inventors who share the name “GRIFFIS DONALD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
6 patentsUS7711383B2May 4, 2010
Method and system for communicating within a communication network
MOTOROLA INC8 citations79
US7228130B1Jun 5, 2007
Method for preventing an unauthorized device from operating in an 800 MHz trunked radio communications system using channels 319 to 0
MOTOROLA INC3 citations60
US7689165B2Mar 30, 2010
Method and system for communicating within a wireless communication network
MOTOROLA INC2 citations57
US7546085B1Jun 9, 2009
Method for preventing an unauthorized device from operating in a 800 MHz trunked radio communications system
MOTOROLA INC0 citations50
US7536196B1May 19, 2009
Method for preventing an unauthorized device from operating in an 800 MHz trunked radio communications system using channels 559 to 320
MOTOROLA INC0 citations50
US7089026B1Aug 8, 2006
Method for determining a control channel in a trunked radio communications system
MOTOROLA INC0 citations37