Patents by Inventor Gary R. Holley

Gary R. Holley 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: 4325620
    Abstract: A test film (10) is provided that is a translucent film (32) dimensioned and adapted for loading into a camera as photographic film. The translucent film material allows an image to be viewed thereon when the shutter of the camera (12) is open, which image is identical to the image that would be captured by photographic film. In accordance with the method of the present invention, the focus, picture image quality, shutter speed and flash synchronization of the camera (12) can be tested utilizing the test film (10) of the invention.
    Type: Grant
    Filed: October 28, 1980
    Date of Patent: April 20, 1982
    Inventor: Gary R. Holley