Patents by Inventor Robert M. Mann

Robert M. Mann 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).

  • Smoke seal
    Patent number: 5279087
    Abstract: A fire and smoke seal assembly including an elongate casing housing intumescent material and a flexible elongate seal member projecting from the casing, the casing and seal member being co-extruded from compatible plastics materials so as to be integrally connected, the flexible elongate seal member extending along and adjacent to one side of the casing.
    Type: Grant
    Filed: April 14, 1992
    Date of Patent: January 18, 1994
    Assignee: Lorient Polyproducts Limited
    Inventor: Robert M. Mann