Patents Assigned to Envision Technology, Inc.
  • Color printer
    Patent number: 4469459
    Abstract: A color impact matrix printer has replaceable color cartridges which are selectively brought into cooperative engagement with a print head. The printer includes a powered manifold for adjusting the print gap, a cartridge housing which is rapidly moveable by a lever system and a ribbon drive mechanism which allows for selective and incremental driving of each cartridge.
    Type: Grant
    Filed: April 21, 1982
    Date of Patent: September 4, 1984
    Assignee: Envision Technology, Inc.
    Inventors: Richard Trezise, John Boldt, Keith Gnutzman