Patents by Inventor Douglas E. Griffin

Douglas E. Griffin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4959648
    Abstract: A selective call control center is provided for transmission of calls to selective call receivers, such as paging receivers. In a first aspect, priorities are assigned to call sources and to call receivers and the order of transmission of calls is determined by the control center as a function of the priorities of the source and the receiver for each call. In a second aspect, at least one call receiver is provided having at least two addresses and the address to be selected from the at least two addresses for calling that receiver is determined dependent on the priority of the source of the call.
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: September 25, 1990
    Assignee: Motorola, Inc.
    Inventors: Robert L. Breeden, Douglas E. Griffin, John H. Kinney, Jr.