Patents by Inventor Lester V. Jorgensen

Lester V. Jorgensen 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).

  • Film cassette conditioning mechanism
    Patent number: 3997252
    Abstract: A mechanism for conditioning a film cassette for plural film handling modes. The mechanism is effective to condition the film cassette for particular film handling modes by controlling the entry of light into the cassette and controlling the status of the film guides and the film pressure plate at the film gate area.
    Type: Grant
    Filed: January 21, 1975
    Date of Patent: December 14, 1976
    Assignee: Polaroid Corporation
    Inventors: Kenyon A. Hapke, Lester V. Jorgensen, Roger N. Tyre