Patents Assigned to Protocol Engineering PLC
  • Patent number: 5012345
    Abstract: Apparatus and method for punching registration holes in exposed films having cooperating image areas, in which the films to be registered and punched are supported on a platform, punch means is mounted on the platform for punching registration holes in each film outside its image area, and electronic means is provided for producing an image, preferably, magnified, of at least one selected part of a film supported on the platform.
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: April 30, 1991
    Assignee: Protocol Engineering PLC
    Inventor: Trevor P. Elworthy