Patents Assigned to Hoffman Resources, Inc.
  • Personal security and tracking system
    Patent number: 6239700
    Abstract: Wireless communication system for location of a person and identification of a distress condition of the person comprising portable transceivers (20) carried by persons, each having an associated alarm switch (40), the transceiver activatable locally and/or via a remote network and the alarm switch operable locally to activate the transceiver.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: May 29, 2001
    Assignee: Hoffman Resources, Inc.
    Inventors: Mark S. Hoffman, Judd A. Hoffman, Ann Hoffman, David G. Doe