Patents by Inventor Harold E. Brady, Jr.

Harold E. Brady, Jr. 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).

  • Imageable prismatic array
    Patent number: 4497860
    Abstract: Articles having on one surface thereof a linear prism array and a diffraction grating on the opposite surface are provided which are suitable for the preparation of projection transparencies.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: February 5, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Harold E. Brady, Jr.