Patents by Inventor Henry H. Bryan

Henry H. Bryan 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: 4548853
    Abstract: A penetration seal for a surface opening and method of forming it by positioning a non-liquid, non-combustible substance in the void of the surface opening to provide a dam of desired thickness and applying an elastic coating over the dam and the object adjacent its passage through the dam to accommodate movement of the object relative to the dam without forming cracks in the closure.
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: October 22, 1985
    Inventor: Henry H. Bryan