Patents by Inventor Henry Dauba

Henry Dauba 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).

  • Method for identifying a heat soak tested glazing
    Patent number: 6430964
    Abstract: A method of identifying glazing that has undergone a heat treatment, consisting of fixing a substance to its surface and/or on an edge, the optical characteristic of the substance being modified at a temperature reached during the heat treatment.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: August 13, 2002
    Assignee: Saint-Gobain Glass France
    Inventors: Henry Dauba, Andre Beyrle, Michel Chaunac