Patents Assigned to Columbia Research and Manufacturing Company
  • Patent number: 4943814
    Abstract: A method and apparatus for printing information on a web of material utilizing a roller platen located on the opposite side of a web feed path from a printhead. The roller platen has an outer arcuate surface which presses the printing material against the head and draws the material and a printing ribbon past the printhead in a printing operation. The roller platen has flattened surfaces on its circumference that facilitate feeding of the web of material between printing operations.
    Type: Grant
    Filed: March 23, 1989
    Date of Patent: July 24, 1990
    Assignee: Columbia Research and Manufacturing Company
    Inventor: Neal M. Otto