Patents by Inventor Daniel L. Wieberdink

Daniel L. Wieberdink 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).

  • Dual GPS timer apparatus and method
    Patent number: 5461388
    Abstract: A GPS utilizing redundant GPS receivers having position and time mark outputs connected directly to a processing block so that the time marks from both GPS receivers are received by the processing block and, in the event a first of the GPS receivers output becomes unusable and the system uses a second of the redundant GPS receivers while periodically checking the first for reusability, no time will be lost in the validation of the new channel.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: October 24, 1995
    Assignee: Honeywell Inc.
    Inventors: John D. Applegate, Alan R. Helfinstine, Daniel L. Wieberdink