Patents by Inventor Martin R. Rickard

Martin R. Rickard 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).

  • Photography shade and vignetter
    Patent number: 4875066
    Abstract: A photographic shade and adjustable vignetter assembly are provided for selective vignetting effects. The assembly includes a shade which is attachable to a camera lens and a vignetter adjustably mounted within the shade for holding a vignette. The vignetter and vignette can be rotated within the shade, moved upwardly and downwardly within the shade, and moved forwardly and rearwardly within the shade, as desired.
    Type: Grant
    Filed: May 31, 1988
    Date of Patent: October 17, 1989
    Inventor: Martin R. Rickard