Patents by Inventor Doug Kraul

Doug Kraul 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: 6008737
    Abstract: An apparatus at a fixed portion (102) of a communication system controls utilization of software (398) in a portable communication device (122) that includes a transceiver (302) for communicating with the fixed portion. The portable communication device receives (604) a request for utilization of the software. In response, the portable communication device seeks (612) a usage authorization for utilizing the software by generating (614) an external authorization request (428) that includes at least one of a size (396) of the software, a software name (394), a secure checksum, and an address (313) identifying the portable communication device, and by communicating (616) the external authorization request to the fixed portion.
    Type: Grant
    Filed: June 24, 1996
    Date of Patent: December 28, 1999
    Assignee: Motorola, Inc.
    Inventors: Michael J. Deluca, Doug Kraul, Walter L. Davis