Patents by Inventor Robert M. Estalella

Robert M. Estalella 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).

  • Apparatus for underhand tossing of a ball
    Patent number: 7628147
    Abstract: An apparatus for underhand tossing of a ball includes a cabinet with a hollow tossing arm pivotally coupled thereto. A mechanism is provided to dispense a single ball at a time from a supply of balls into the hollow tossing arm. A spring is affixed at one end to the hollow tossing arm and affixed at a distal end to the cabinet at a point forward of the hollow tossing arm. A machine is provided for pulling a distal end of the hollow tossing arm toward a back end of the cabinet and releasing the hollow tossing arm such that the distal end of the hollow tossing arm swings forward, releasing the ball at a point at which the hollow tossing arm hits a stop peg.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: December 8, 2009
    Inventor: Robert M. Estalella
  • APPARATUS FOR UNDERHAND TOSSING OF A BALL
    Publication number: 20080184979
    Abstract: An apparatus for underhand tossing of a ball includes a cabinet with a hollow tossing arm pivotally coupled thereto. A mechanism is provided to dispense a single ball at a time from a supply of balls into the hollow tossing arm. A spring is affixed at one end to the hollow tossing arm and affixed at a distal end to the cabinet at a point forward of the hollow tossing arm. A machine is provided for pulling a distal end of the hollow tossing arm toward a back end of the cabinet and releasing the hollow tossing arm such that the distal end of the hollow tossing arm swings forward, releasing the ball at a point at which the hollow tossing arm hits a stop peg.
    Type: Application
    Filed: February 7, 2007
    Publication date: August 7, 2008
    Inventor: Robert M. Estalella