Patents by Inventor William R. Wemesfelder

William R. Wemesfelder 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).

  • Flotation apparatus
    Patent number: 8277272
    Abstract: A flotation apparatus including a frame configured to support a snorkeler lying in a prone position. A plurality, preferably six, of elongated arms are each pivotally attached at a proximal end thereof to the frame with a buoyant float positioned on a distal end of each arm for enhanced stability. Preferably, a propulsion apparatus is mounted to the frame and a control apparatus for operating the propulsion apparatus in a prone position is provided.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 2, 2012
    Inventor: William R. Wemesfelder
  • Flotation apparatus
    Patent number: D652780
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: January 24, 2012
    Inventor: William R. Wemesfelder
  • Pontoon for watercraft
    Patent number: D723446
    Type: Grant
    Filed: July 4, 2013
    Date of Patent: March 3, 2015
    Inventor: William R. Wemesfelder