Patents by Inventor Charles L. Schaub

Charles L. Schaub 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).

  • Reactive ion etching of gratings and cross gratings structures
    Patent number: 5417799
    Abstract: A process is provided for modifying a surface of a large area, non-planar substrate to form micro structures therein that alter its optical properties. The process includes forming the micro structures by reactive ion beam etching through a chosen pattern that has been prepared on the surface.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: May 23, 1995
    Assignee: Hughes Aircraft Company
    Inventors: Thomas W. Daley, Charles L. Schaub, Hugh L. Garvin, Klaus Robinson