Patents by Inventor Bill Markham

Bill Markham 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).

  • Trunk for a steamer or airplane
    Patent number: D335218
    Type: Grant
    Filed: June 19, 1991
    Date of Patent: May 4, 1993
    Assignee: Bill and Lorraine Markham Family Trust
    Inventor: Bill Markham