Patents by Inventor Lindsay M. Edwards

Lindsay M. Edwards 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 film single lens reflex camera
    Patent number: 5247322
    Abstract: A camera housing having a photographic lens set extending through one side allowing light to enter a camera interior along a light axis, a first film structure, a second film structure and a viewfinder system formed in the remaining sides of the camera housing. A first shutter mechanism separating a first film structure from the camera interior and a second shutter mechanism separating the second film structure from the camera interior. A reflex mirror structure located in the camera interior and coupled to the camera housing, directing the light axis between first and second shutter mechanisms and the viewfinder system in response to the activation of the first and second shutter mechanisms.
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: September 21, 1993
    Inventor: Lindsay M. Edwards