Patents by Inventor Ronald Howard Willens

Ronald Howard Willens 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).

  • Metal film recording media for laser writing
    Patent number: 4000492
    Abstract: Thin metal film systems supported on transparent substrates are described for use in laser micromachining of high resolution facsimile images. The disclosed systems, which include a specific anti-reflection film, require less energy for micromachining than bismuth films of equal optical opacity.
    Type: Grant
    Filed: April 4, 1974
    Date of Patent: December 28, 1976
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventor: Ronald Howard Willens