Patents by Inventor Lawrence J. Spoolstra

Lawrence J. Spoolstra 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: 4798035
    Abstract: The specification discloses a partition system in which any gap between an end partition and an existing wall is concealed by a combination rigid channel and flexible cover. The rigid channel embraces and provides firm anchorage for the end of the partition and a flexible cover on each side of said channel conceals the rigid channel and any gap between the partition and a fixed wall from view. Yet, the flexible cover can be deflected to provide access to hanger bracket slots or the like which might be located at the end of the partition.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: January 17, 1989
    Assignee: Architectural Wall Systems, Inc.
    Inventors: Terry L. Mitchell, Lawrence J. Spoolstra
  • Patent number: 4757657
    Abstract: The specification discloses a floor-to-ceiling partition system including telescoping studs wherein resiliently compressible friction members are positioned on each side of the upper portion of said studs near the upper ends thereof for frictional engagement with the inner surfaces of the sidewalls of a ceiling channel mounted on a ceiling.
    Type: Grant
    Filed: October 1, 1986
    Date of Patent: July 19, 1988
    Assignee: Architectural Wall Systems, Inc.
    Inventors: Terry L. Mitchell, Glenn D. Steil, Lawrence J. Spoolstra