Patents by Inventor Makram I. Filippos

Makram I. Filippos 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).

  • Swimming wheel apparatus
    Patent number: 4437840
    Abstract: An aquatic craft for a swimmer; including a pair of pontoons, a frame therebetween on which the swimmer reclines, and a paddle wheel powered by the swimmer.
    Type: Grant
    Filed: October 30, 1981
    Date of Patent: March 20, 1984
    Inventor: Makram I. Filippos