Patents by Inventor Wellem A. Hoorn

Wellem A. Hoorn 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).

  • Apparatus for storing film sheets
    Patent number: 5211385
    Abstract: The present invention relates to an apparatus for receiving, storing and dispensing a plurality of sheets of film in a plurality of sizes, particularly for use in automatic daylight film handling systems.
    Type: Grant
    Filed: November 22, 1991
    Date of Patent: May 18, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Wellem A. Hoorn