Patents by Inventor Juan Gaminde

Juan Gaminde 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).

  • Combination book end and dumbell apparatus and method of utilizing same
    Patent number: 3971556
    Abstract: A set of book ends removably receive dumbells. Each book end comprises a horizontal member with a stud at one end and a vertical member affixed to the horizontal member between the stud and the other end. Each dumbell comprises a short bar between two enlarged end portions, with one end portion having a cavity to mate with the stud.
    Type: Grant
    Filed: October 10, 1974
    Date of Patent: July 27, 1976
    Inventors: Robert D. Petrie, Thomas E. Wensley, Charles Watkins, Juan Gaminde