Patents by Inventor Albert E. Schierhorst

Albert E. Schierhorst 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).

  • Thermal print head having glazed metal substrate
    Patent number: 4423425
    Abstract: A porcelain glazed metal bar has a rounded edge carrying a line of deposited print elements. Conductive lands deposited on both sides of the glazed bar connect the print elements to contacts for external circuitry.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: December 27, 1983
    Assignee: International Business Machines Corporation
    Inventors: Dennis L. Reese, John L. Regehr, Albert E. Schierhorst, Ronald L. Soderstrom, James M. Thompson