Patents by Inventor Ernest De Pass

Ernest De Pass 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).

  • Method of manufacturing an improved wood fiber mat for soil applications
    Patent number: 5484501
    Abstract: Improved wood fiber mat comprised of a mixture of thermo-mechanically processed wood fibers and synthetic fibers.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: January 16, 1996
    Assignee: Conwed Fibers, a division of Leucadia, Inc.
    Inventors: William M. W. Jacobsen, Jr., L. Carl Belt, Ernest De Pass
  • Wood fiber mat for soil applications
    Patent number: 5330828
    Abstract: Improved wood fiber mat comprised of a mixture of thermo-mechanically processed wood fibers and synthetic fibers.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: July 19, 1994
    Assignee: Conwed Fibers, a division of Leucadia Inc.
    Inventors: William M. W. Jacobsen, Jr., L. Carl Belt, Ernest De Pass