Patents by Inventor Leon E. Brown

Leon E. Brown 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).

  • Intervalometer apparatus
    Patent number: 3963968
    Abstract: A timing and actuating assembly for a camera to permit time lapse photography includes a solenoid operated shutter release mechanism which is actuated by an electrical pulse derived from a timing circuit. The repetition rate of the pulse is adjustable over a wide range. The timing and actuating assembly is mounted on a bracket for disposition in operative relationship with the camera shutter control. A separate power pack is utilized to provide power for the assembly.
    Type: Grant
    Filed: April 22, 1974
    Date of Patent: June 15, 1976
    Inventors: John M. Pierini, Leon E. Brown