Patents by Inventor Gregory P. Kernek

Gregory P. Kernek 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).

  • Multi-level swim fin
    Patent number: 5330377
    Abstract: A swim fin having a shoe and an integrally connected bi-level, relatively short fin assembly. The fin assembly includes upper and lower levels connected by side walls. Automatic valve flaps are provided at the outer portions of baffles and pivot about transverse axes. The valves automatically open and close during the kick to change the apparent area of the assembly. The bi-level arrangement increases the overall efficiency of the swim fin during use.
    Type: Grant
    Filed: February 2, 1993
    Date of Patent: July 19, 1994
    Inventor: Gregory P. Kernek