Patents by Inventor Richard A. Elbert

Richard A. Elbert 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: 4139235
    Abstract: This seat back provides a variable low back support for truck drivers, and it consists primarily of a back rest of a seat, which is adjustable in height to suite the driver, and it includes an inflatable lower portion for supporting the driver's lower back, thus decreasing driver fatigue. The bladder, of the lower portion, is expanded by a common stem means or is connected to the truck's air supply, and the top of the seat back includes a head rest for further driver comfort.
    Type: Grant
    Filed: March 10, 1978
    Date of Patent: February 13, 1979
    Inventor: Richard A. Elbert
  • Patent number: D830045
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: October 9, 2018
    Inventor: Richard Elbert Cain