Patents by Inventor Henry J. Kellner

Henry J. Kellner 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).

  • Patent number: 4768049
    Abstract: The present invention relates to a stereoscopic/35 mm camera slide bar which allows for the precise positioning of just one SLR camera at each of two pre-set locations. Individual slides are then taken in successive order using standard ASA slide film. Compatible lens, ranging from zoom to wide angle, can be utilized to suit the occasion. The unit basically consists of three horizontal bars situated one above the other. The lower bar is used for mounting on a tripod and for holding a simple line level. The middle bar holds the camera which is attached to a track-mounted sliding plate and the upper bar supports a strobe light. The flash is secured at a location central to each camera positon. The upper bar has the flexibility of vertical elevation so that the light can be accurately directed to the subject.
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: August 30, 1988
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: Edward A. Barrett, Marion B. Molchen, Henry J. Kellner