Patents by Inventor Enrique G. Bernal

Enrique G. Bernal 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).

  • Graded composition coatings for surface protection of halide optical elements
    Patent number: 3959548
    Abstract: Optical elements formed from water soluble halides are protected by a protective layer. The protective layer has a graded composition which varies from that of the water soluble halide to that of another material which is insoluble in water.
    Type: Grant
    Filed: October 16, 1974
    Date of Patent: May 25, 1976
    Assignee: Honeywell Inc.
    Inventor: Enrique G. Bernal