Patents by Inventor Dale E. Hallstrom

Dale E. Hallstrom 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).

  • Card printer apparatus and method
    Patent number: 5239926
    Abstract: A printer apparatus including a print head assembly and a transport belt for transporting a workpiece such as a plastic card through the printer apparatus. The transport belt includes a surface self-adhering to a surface of the plastic card. In a preferred embodiment, the printer apparatus includes a print head which is moved across a surface of the card while printing on the card. The printer apparatus includes a print head controller for interfacing between at least one microprocessor and at least one continuous tone print head, the number of print intensities either fixed or selected by the microprocessor.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: August 31, 1993
    Assignee: DataCard Corporation
    Inventors: Richard C. Nubson, David A. Adkins, Dale E. Hallstrom, Christopher B. Johnson, Ronald L. Sattler, David E. Wickstrom