Patents by Inventor J. Douglas Lewis

J. Douglas Lewis 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).

  • Releasable anchor
    Patent number: 5619947
    Abstract: A releasable anchor includes a generally "J" shaped fluke formed of a resilient material which has memory to return the fluke to a "J" shape after a biasing force has been applied thereto. Preferably, the fluke is formed of a strap of spring steel and has a weight affixed to the free end so as to direct the fluke's free end downwardly through the water. One or more flukes may be connected to form variations in anchor shape.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: April 15, 1997
    Inventor: J. Douglas Lewis