Patents Represented by Attorney Robert W. Hampton

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  • PHOTOGRAPHIC DIFFUSION TRANSFER FILMS, PROCESSES AND COMPOSITIONS WITH COLOR MOIETY RELEASING COMPOUND
    Patent number: 4076529
    Abstract: Color photographic elements, compositions, diffusion transfer film units and processes are described which employ a nondiffusible p-sulfonamidoaniline or p-sulfonamidophenol which is preferably alkali-cleavable upon oxidation to release a diffusible color-providing moiety.
    Type: Grant
    Filed: April 16, 1973
    Date of Patent: February 28, 1978
    Assignee: Eastman Kodak Company
    Inventors: Lee J. Fleckenstein, John Figueras
  • Photographic camera or similar article
    Patent number: D244685
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: June 14, 1977
    Assignee: Eastman Kodak Company
    Inventors: David E. Hansen, Wolfgang Ort
  • Photographic camera or similar article
    Patent number: D244686
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: June 14, 1977
    Assignee: Eastman Kodak Company
    Inventor: David E. Hansen
  • Motion picture camera or the like
    Patent number: D247241
    Type: Grant
    Filed: August 6, 1976
    Date of Patent: February 14, 1978
    Assignee: Eastman Kodak Company
    Inventor: David E. Hansen
  • Sample cup tray for chemical analysis of biological fluids
    Patent number: D249706
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: September 26, 1978
    Assignee: Eastman Kodak Company
    Inventor: Henry S. Adamski
  • Sample cup for analysis of biological fluids
    Patent number: D249708
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: September 26, 1978
    Assignee: Eastman Kodak Company
    Inventors: Michael R. Smith, James E. Ferris, Henry S. Adamski
  • Photographic camera or similar article
    Patent number: D250958
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: January 30, 1979
    Assignee: Eastman Kodak Company
    Inventor: David E. Hansen