Patents by Inventor Mary K. Rossman

Mary K. Rossman 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).

  • Clean room wall system
    Patent number: 5414967
    Abstract: A wall system for clean rooms employs an elongated framing member having four channels each with a thread slot in the bottom of the channel. This four channel arrangement facilitates the concealment of the fasteners and brackets used to join framing members to one another.
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: May 16, 1995
    Assignee: Unistrut International Corp.
    Inventors: Dennis O. Cates, Randy Webb, Roger Crawford, Ron Jackson, Mary K. Rossman