Patents by Inventor James L. Marquart, Sr.

James L. Marquart, Sr. 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: D297596
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: September 13, 1988
    Inventor: James L. Marquart, Sr.