Patents by Inventor William E. Hatch

William E. Hatch 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).

  • Flash lamp assembly having heat-responsive indexing members
    Patent number: 4158493
    Abstract: An elongated flash lamp assembly which is sequentially advanced through a camera to permit each of the lamps within the assembly to become aligned with the camera's fixed reflector. Several heat-responsive (e.g. fusible) covers are located on the assembly's housing to permit the above advancement only after each cover has become physically deformed by the heat from the respective flash lamp located adjacent thereto. A mechanism for advancing the assembly is also disclosed.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: June 19, 1979
    Assignee: GTE Sylvania Incorporated
    Inventors: Timothy Fohl, William E. Hatch