Patents by Inventor Richard B. Hopkins

Richard B. Hopkins 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).

  • Writing tablet
    Patent number: 4203624
    Abstract: A writing tablet for a chair arm is mounted by a pivot swivel block to the arm for pivotal movement about a first axis. A tablet panel support is mounted to the pivotal swivel block for pivotal movement about a second axis perpendicular to the first axis. Semicircular slots are included in the pivot swivel block and tablet panel support in registry with each other, and a ball rides in the slots to limit the movement of the tablet panel support about the second axis.
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: May 20, 1980
    Assignee: Knoll International, Inc.
    Inventor: Richard B. Hopkins
  • Combined writing tablet and support arm therefor
    Patent number: D266719
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: November 2, 1982
    Assignee: Knoll International, Inc.
    Inventor: Richard B. Hopkins