Patents by Inventor William H. Rayburn

William H. Rayburn 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: 4916827
    Abstract: A flat, ruler-like guide is shaped to be laid over the tables and scales set forth in a trucker's log book. The guide has cut-out portions which outline only those entries in the log book which the trucker needs for making certain calculations. Printed on the face of the guide are equations which the trucker follows in making these calculations.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: April 17, 1990
    Assignee: Premium Technologies, Inc.
    Inventor: William H. Rayburn