Patents by Inventor Michael Costephens

Michael Costephens 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).

  • Buoyancy sleeve rod and reel saver
    Publication number: 20030089022
    Abstract: The sleeve is made from a 3 inch round piece of Styrofoam, the Styrofoam is 8 inches long, with a 2 inch hole cut down through the middle of the Styrofoam.
    Type: Application
    Filed: August 3, 2001
    Publication date: May 15, 2003
    Inventor: Michael Costephens
  • Animal statuary
    Patent number: D516948
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: March 14, 2006
    Inventor: Michael Costephens
  • Heart-shaped water globe
    Patent number: D637515
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: May 10, 2011
    Inventor: Michael Costephens