Patents by Inventor Rodrigue G. Thibodeau

Rodrigue G. Thibodeau 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 of forming hybrid arc tubes
    Patent number: 4999145
    Abstract: Disclosed is a method for forming alumina arc tubes of complex shapes. The method comprises molding alumina powders with different shrinkage rates into a green body. The green body is prefired to remove binders in the green body and then sintered. The resulting arc tube has an inner diameter that is smallest where the highest shrinkage powder was molded and an inner diameter that is greatest where the lowest shrinkage powder was used.
    Type: Grant
    Filed: December 15, 1989
    Date of Patent: March 12, 1991
    Assignee: GTE Laboratories Incorporated
    Inventor: Rodrigue G. Thibodeau