Patents by Inventor Robert George Melega

Robert George Melega 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).

  • Broad band reflection holograms and a dry process for making same
    Patent number: 5725970
    Abstract: Broad band reflection holograms and process for producing broad band reflection holograms in photosensitive elements comprising photopolymer photosensitive layers are disclosed. These holograms may be used to form very bright display holograms, ultraviolet, visible and infrared rejection filters, and holographic security devices, as well as may be used in a wide variety of other applications.
    Type: Grant
    Filed: September 16, 1996
    Date of Patent: March 10, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Paul James Martin, Robert George Melega, Andrew Michael Weber