Patents by Inventor Wayne Ervin Bietz

Wayne Ervin Bietz 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).

  • Tracked mini-excavator loader
    Patent number: D540828
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: April 17, 2007
    Assignee: CNH America LLC
    Inventors: Larry Alan Johnson, Carl J. Hagele, Wayne Ervin Bietz, Richard Keith LaFrenier, Russell Clemens Wadzinski
  • Tractor loader backhoe with tracks
    Patent number: D540829
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: April 17, 2007
    Assignee: CNH America LLC
    Inventors: Larry Alan Johnson, Carl J. Hagele, Wayne Ervin Bietz