Patents by Inventor Lee C. Fischer

Lee C. Fischer 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 processing photosensitive material
    Patent number: D323524
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: January 28, 1992
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jon F. Boyer, Lee C. Fischer, Douglas J. Hohlbein, Anthony P. Montalbano, Christopher P. Montalbano, John G. Van Remoortel, Joel L. Vanover
  • Wash cartridge
    Patent number: D325591
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: April 21, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Jon F. Boyer, Lee C. Fischer, Douglas J. Hohlbein, Anthony P. Montalbano, Christopher P. Montalbano, John G. Van Remoortel, Joel L. Vanover
  • Fixer cartridge
    Patent number: D325592
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: April 21, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Jon F. Boyer, Lee C. Fischer, Douglas J. Hohlbein, Anthony P. Montalbano, Christopher P. Montalbano, John G. Van Remoortel, Joel L. Vanover