Patents by Inventor Robert J. Holenstein

Robert J. Holenstein 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).

  • Ellipsoidal-like ball
    Patent number: 4930777
    Abstract: An ellipsoidal-like ball comprises a capped, plastic beverage bottle emptied of its beverage; a pair of idential ellipsoid-like plastic end caps each disposed on a different end of the bottle; and a fastening arrangement interconnecting the pair of end caps to secure each of the pair of end caps to the bottle.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: June 5, 1990
    Inventor: Robert J. Holenstein