Patents by Inventor Ferdinand J. van Engelen

Ferdinand J. van Engelen 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).

  • Foldable seat having removable panels
    Patent number: 5820221
    Abstract: A seat (10) is disclosed that includes a seat back (14) hingedly attached to a seat base (12) such that the seat back can be folded from an upright, vertical position to a closed, horizontal position with the lower surface of the seat back overlying the upper surface of the seat base throughout the seat's range of motion. For ready upholstering, in one embodiment, the foldable seat includes a removable seat base panel (20) and a removable seat back panel (22) attached to the seat base and back, respectively.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: October 13, 1998
    Assignee: Tempress, Inc.
    Inventors: Mikal B. Greaves, Charles K. Lau, Mark A. McLean, William C. Quan, Ferdinand J. Van Engelen, Michelle J. Pillers, Kevin J. Talbot
  • Optical transceiver
    Patent number: D487262
    Type: Grant
    Filed: October 18, 2002
    Date of Patent: March 2, 2004
    Assignee: Terabeam Corporation
    Inventors: Ferdinand J. van Engelen, Brady A. Olason, Oliver F. Grabes, Guy Fly, Richard B. Riday, Lawrence C. Stapleton, Harold A. Brown, Sean Driggers, Eric Davis
  • Foldable seat
    Patent number: D398172
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: September 15, 1998
    Assignee: Tempress, Inc.
    Inventors: Mikal B. Greaves, Charles K. Lau, Mark A. McLean, William C. Quan, Ferdinand J. Van Engelen, Michelle J. Pillers, Kevin J. Talbot
  • Foldable seat with panels
    Patent number: D411381
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: June 22, 1999
    Assignee: Tempress, Inc.
    Inventors: Mikal B. Greaves, Charles K. Lau, Mark A. McLean, William C. Quan, Ferdinand J. Van Engelen, Michelle J. Pillers, Kevin J. Talbot