Patents by Inventor Harry L. Fichter, Jr.

Harry L. Fichter, 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).

  • Dry working black image compositions comprising organic halogen compounds and ethylene compounds
    Patent number: RE29748
    Abstract: This application describes a photosensitive composition which prints out directly as a black or near neutral image when exposed photographically and which has a greatly improved speed.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: August 29, 1978
    Assignee: Horizons Incorporated a division of Horizons Research Incorporated
    Inventors: Harry L. Fichter, Jr., James M. Lewis