Patents by Inventor Richard E Ramirez

Richard E Ramirez 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).

  • Adjustable back-pack
    Patent number: D402804
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: December 22, 1998
    Inventor: Richard E Ramirez