Patents by Inventor Andrew Rivas

Andrew Rivas 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: 4593912
    Abstract: A quoit throwing game including three posts impaled at each end of a quoit pitching area or range; the posts being arrayed in a row longitudinally of the range with the intermediate post highest, so that the intermediate post most easily receives thereover a thrown quoit, the forward post receiving thereover a thrown quoit with some difficulty, and the rearward post receiving thereover a thrown quoit with greatest difficulty.
    Type: Grant
    Filed: March 4, 1985
    Date of Patent: June 10, 1986
    Inventors: Andrew Rivas, Robert Rivas, James Pace, Timothy Cavanaugh