Patents by Inventor Kenneth L. Bunyard

Kenneth L. Bunyard 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).

  • Airplane
    Patent number: D243667
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: March 15, 1977
    Inventor: Kenneth L. Bunyard
  • Convertible amphibious airplane
    Patent number: D286871
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: November 25, 1986
    Inventor: Kenneth L. Bunyard