Patents Assigned to Alto Technology
  • Photograph processing method and apparatus
    Patent number: 4888607
    Abstract: A method and apparatus for developing photographic film and paper. A plurality of storage tanks flow by gravity into a common manifold. The manifold directs the fluid flow to a rotating drum assembly. After mixing, the fluid flows into a catch basin and, further, into one of a plurality of drain tanks. Electronic control circuitry is also disclosed.
    Type: Grant
    Filed: September 15, 1988
    Date of Patent: December 19, 1989
    Assignee: Alto Technology
    Inventors: William A. Stutz, Laszlo A. Kiss, Joseph D. Rizzi