Patents Assigned to MDF Holdings, Inc.
  • System and method for tracking the location of multiple mobile radio transceiver units
    Patent number: 7657265
    Abstract: An object locating system (100), the system (100) comprising at least first and second mobile devices (120, 130) associated by a relationship defined at least in part by a threshold. The at least first and second mobile devices are operable to be monitored by a communication network as one mobile device (120) or as separate mobile devices (120, 130) as a function of the relationship relative to the threshold.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: February 2, 2010
    Assignee: MDF Holdings, Inc.
    Inventor: Joseph C. McAlexander
  • System and method for tracking the location of multiple mobile radio transceiver units
    Publication number: 20090005069
    Abstract: An object locating system (100), the system (100) comprising at least first and second mobile devices (120, 130) associated by a relationship defined at least in part by a threshold. The at least first and second mobile devices are operable to be monitored by a communication network as one mobile device (120) or as separate mobile devices (120, 130) as a function of the relationship relative to the threshold.
    Type: Application
    Filed: January 15, 2008
    Publication date: January 1, 2009
    Applicant: MDF Holdings, Inc.
    Inventor: Joseph C. McAlexander
  • System and method for tracking the location of multiple mobile radio transceiver units
    Patent number: 7340260
    Abstract: An object locating system (100), the system (100) comprising at least first and second mobile devices (120, 130) associated by a relationship defined at least in part by a threshold. The at least first and second mobile devices are operable to be monitored by a communication network as one mobile device (120) or as separate mobile devices (120, 130) as a function of the relationship relative to the threshold.
    Type: Grant
    Filed: October 9, 2003
    Date of Patent: March 4, 2008
    Assignee: MDF Holdings, Inc.
    Inventor: Joseph C. McAlexander
  • System and method for tracking the location of multiple mobile radio transceiver units
    Publication number: 20050054351
    Abstract: An object locating system (100), the system (100) comprising at least first and second mobile devices (120, 130) associated by a relationship defined at least in part by a threshold. The at least first and second mobile devices are operable to be monitored by a communication network as one mobile device (120) or as separate mobile devices (120, 130) as a function of the relationship relative to the threshold.
    Type: Application
    Filed: October 9, 2003
    Publication date: March 10, 2005
    Applicant: MDF Holdings, Inc.
    Inventor: Joseph McAlexander