Patents by Inventor Kenneth D. Schrupp

Kenneth D. Schrupp 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).

  • Light source for photographic printer
    Patent number: 4099864
    Abstract: An improved light source for a photographic printer uses a plurality of print lamps. A heatsink and blower dissipate heat generated by the print lamps. The light diffuser which diffuses light from the lamp includes a white porcelain diffuse reflector.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: July 11, 1978
    Assignee: Pako Corporation
    Inventors: Patrick J. Gilligan, Kenneth D. Schrupp