Patents by Inventor John R. Hartman

John R. Hartman 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).

  • Electrophoretogram analytical image processing system
    Patent number: 4592089
    Abstract: An analytical image processing system is used to analyze spots on color electrophoretograms. In one embodiment, the boundary of a spot chosen by the user is uniquely defined using polar cross-sections and is illustrated on a user interactive display. In such manner, the user is provided with visual confirmation of the shape of the spot used as a basis for generating output data relating to the spot analysis. The output data includes information not only about the two-dimensional area of the spot but also the intensity thereof to provide a useful measure of the quantity of protein present in the spot.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: May 27, 1986
    Assignee: Bio Image Corporation
    Inventor: John R. Hartman
  • Video cassette rewinder
    Patent number: D339805
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: September 28, 1993
    Inventor: John R. Hartman