Patents by Inventor Thomas E. Patten

Thomas E. Patten 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 stripping a cover sheet
    Patent number: 4285759
    Abstract: An apparatus for stripping an adherent cover sheet from a photosensitive film sandwich. A leader from a roll extends over a film having a cover sheet and is attached to an edge of the cover sheet. When the roll is driven, the leader wraps on it and strips the cover sheet from the film which had previously been fixed in a stationary position.
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: August 25, 1981
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Richard B. Allen, Thomas E. Patten