Patents by Inventor Michael Polad

Michael Polad 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).

  • Means for printing OCR and bar code on cards
    Patent number: 4057011
    Abstract: A printing apparatus for the printing of OCR and bar codes on identification cards, credit cards and the like. The card is conveyed intermediate a plurality of selectively operable print bars and pressure bars. The pressure bars are held in position by biasing means selected to provide regulated backing pressure to the credit card to achieve controlled printing pressure. This combination results in high quality OCR and bar code print out.
    Type: Grant
    Filed: March 2, 1976
    Date of Patent: November 8, 1977
    Assignee: Malco Plastics
    Inventors: Herbert Tramposch, Michael Polad