Patents by Inventor Richard Espinosa

Richard Espinosa 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).

  • Gripless weight lifting system and method of use
    Patent number: 11135466
    Abstract: A weight lifting system includes a first weight, having a first cavity extending from a bottom surface of the first weight to an interior of the first weight; the first cavity is configured to receive a first hand of a user; and the first cavity positions the first hand in an open position, thereby forcing the user to press the first weight without forming a grip.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: October 5, 2021
    Inventor: Richard Espinosa