Patents by Inventor Donald R. Hotchkiss

Donald R. Hotchkiss 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).

  • White reflective coating
    Patent number: 4629667
    Abstract: A coating composition for the backside of photographic prints and photographic prints so coated are described. The white coating is reflective, flexible, and water resistant.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: December 16, 1986
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John F. Kistner, Donald R. Hotchkiss