Patents by Inventor Patrick H. Wyant

Patrick H. Wyant 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).

  • Waveguide structure using potassium titanyl phosphate
    Patent number: 5042895
    Abstract: An electro-optic waveguide structure having a single mode channeled waveguide pattern of the Mach-Zehnder configuration is formed in a substrate of potassium titanyl phosphate.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: August 27, 1991
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Michael P. Chouinard, Edward P. Gargiulo, James L. Hohman, Jr., Daniel B. Laubacher, Jiunn-You Liou, Moshe Oren, O. Robert Averitt, Patrick H. Wyant, Victoria Guerra-Brady