Patents by Inventor Lawrence A. Mattison

Lawrence A. Mattison 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: 4954816
    Abstract: A decorative smoke detector construction which includes a smoke detector for mounting on a wall or ceiling of a room and which includes a decorative plaque mounted thereon which conceals the smoke detector from view and which includes structure for permitting communication of the smoke detector with smoke which may exist in the room. A kit for teaching fire safety including a package containing a decorative smoke detector construction as described above, and instructional literature which is especially attractive to children for teaching fire safety.
    Type: Grant
    Filed: February 16, 1989
    Date of Patent: September 4, 1990
    Inventor: Lawrence A. Mattison