Patents by Inventor Robert M. Schlesinger

Robert M. Schlesinger 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).

  • Game ball
    Patent number: 4830370
    Abstract: A game ball of the type having a flexible resilient wall defining a space inside the ball that is fluid tight and contains a compressible fluid is given a break signalling capability by placing a small quantity of very fine particulate material in that space inside the ball.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: May 16, 1989
    Inventor: Robert M. Schlesinger
  • Catheter yoke
    Patent number: 3990454
    Abstract: An inexpensive catheter restraint is formed from a thin, flexible, adhesively-backed plastic sheet having a pair of short, parallel slits forming a centrally disposed bridge anchoring a catheter-receiving ring or yoke therein. The ring restrains transverse catheter motion but accommodates limited longitudinal motion.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: November 9, 1976
    Inventor: Robert M. Schlesinger