Patents by Inventor Fred E. Roberts

Fred E. Roberts 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 table top assembly
    Patent number: 4681042
    Abstract: It has been found that an adjustable table top assembly for a drafting table and the like may be provided utilizing braking elements comprising an elongated member pivoted intermediate its ends to be pulled downwardly by a foot pedal against the force of a spring for releasably engaging a bracket support carried by the pivoted table top.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: July 21, 1987
    Inventor: Fred E. Roberts