Patents Assigned to Warm Springs Composite Products
  • Patent number: 7669383
    Abstract: A fire door designed to slow the progress of a fire in a dwelling or commercial building. More particularly, a fire door having one or more vertical stiles that include a layer of intumescent material.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: March 2, 2010
    Assignee: Warm Springs Composite Products
    Inventor: Duane Darnell