Patents by Inventor Hugh G. Lowbner

Hugh G. Lowbner 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).

  • Brightpen/pad II
    Patent number: 5073770
    Abstract: A scanning and digitizing device where the same photodetectors are used in a scanning mode and in a digitizing mode. In the scanning mode graphic information is scanned. In the digitizing mode coordinate positions of a stylus is determined. The photodetectors are used in the imaging portion of this device which imaging portion is a rangefinder in the digitizing mode.
    Type: Grant
    Filed: August 3, 1990
    Date of Patent: December 17, 1991
    Inventor: Hugh G. Lowbner