Patents by Inventor Leonard E. Wagner

Leonard E. Wagner 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: D393896
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: April 28, 1998
    Inventors: Leonard E. Wagner, Dana S. Marshall
  • Patent number: D427295
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: June 27, 2000
    Assignee: 199476 Ontario Inc.
    Inventor: Leonard E. Wagner