Patents by Inventor Mark M. Mach

Mark M. Mach 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).

  • Document reader module
    Patent number: 4764976
    Abstract: A document reader module which provides precise alignment for the document being read and the associated reader, like an optical reader. An integrated frame member provides accurate control surfaces for the precise alignment mentioned. An elevator mechanism mounted on the frame member provides an apparatus for adjusting the read head relative to the line of data on the documents being read. A special pinch roller construction, which can be locked in a retracted position, facilitates the removal of jammed documents from the associated document track.
    Type: Grant
    Filed: June 26, 1986
    Date of Patent: August 16, 1988
    Assignee: NCR Corporation
    Inventors: Fredrik L. N. Kallin, Marek W. Czesnik, Mark M. Mach