Patents by Inventor Brian J. Picht

Brian J. Picht 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).

  • Patent number: 4684273
    Abstract: A ribbon shield for a dot matrix printer which is comprised of a step contoured recessed cavity such that the ribbon sequentially wipes against an upper edge, a lower edge, towards the paper, the other lower edge and the other upper edge and the ink removed accumulates in the cavity whereby it is restrained from flowing onto the paper.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: August 4, 1987
    Assignee: Hewlett-Packard Company
    Inventors: John W. Huffman, Brian J. Picht, Ben B. Tyson