Patents by Inventor Theodor Baisch

Theodor Baisch 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).

  • Dual field viewfinder
    Patent number: 3961344
    Abstract: A viewfinder of the inverted Galilean type, for use with a photographic camera having a pair of interchangeable objective lenses, comprising a viewfinder lens, an eyepiece having two reticles formed thereon, a fixed mirror frame and a movable mirror frame. The fixed mirror produces a projected virtual image of one reticle. Structure is provided for positioning the movable mirror to produce a projected virtual image of the second reticle in response to interchange of the objective lenses.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: June 1, 1976
    Assignee: Eastman Kodak Company
    Inventors: Theodor Baisch, Kurt Deininger, Joseph R. Strobel, Alfred Trumpp