Patents by Inventor Kenneth D. Cramer

Kenneth D. Cramer 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).

  • Polyethylene pipe patching systems and methods
    Patent number: 8057895
    Abstract: Film composites useful as adhesives for plastic piping are described.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: November 15, 2011
    Assignee: Timberwolf Corporation
    Inventors: Kenneth H. Green, Kenneth D. Cramer, Willie E. Rochefort