Patents by Inventor Robert Valdes-Rodriguez

Robert Valdes-Rodriguez 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).

  • Patent number: 6339384
    Abstract: A device for automatically paying a toll for a vehicle passing through a toll booth. The toll payment device includes a transmitting device and a switch. The transmitting device includes a receiver for receiving a signal from an antenna at the toll booth; a memory unit for storing identification information associated with the device; and a transmitter connected to both the receiver and memory unit for transmitting a signal including the stored identification information to the antenna upon receipt of the signal and allowing the antenna to charge an account associated with the device. The switch selectively disconnects the memory unit from the transmitter thereby preventing transmission of the identification information to the antenna and charging of the account associated with the device.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: January 15, 2002
    Inventor: Robert Valdes-Rodriguez
  • Patent number: 6079930
    Abstract: The present invention discloses a generally upwardly standing wheeled cart 10 having a ground level scoop 22 on its front end wherein tennis balls 12 can be scooped up and routed upwardly through a hopper 41 into a ball basket 28 when the cart 10 is moved in the forward direction. The front wheels 16 of the cart have axles 46 which serve to drive a belt 40 having flexible projecting edges 42 which belt 40 is located on the inside of the cart 10 which belt 40 turns in a counter clockwise direction and forces the tennis balls 12 upwardly through the enclosure of the cart by trapping the balls between the belt 40 which is the width of the cart 10 and the rear wall 44 of the cart 10 wherewith the balls 12 are forced upwardly and out of the top of the cart 10 into a rear hanging basket 28.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: June 27, 2000
    Inventor: Robert Valdes-Rodriguez