Patents by Inventor James J. Grichnik

James J. Grichnik 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).

  • Methods and systems for the detection of malignant melanoma
    Patent number: 7415143
    Abstract: The present invention relates to the detection of malignant melanoma. In particular, the present invention relates to systems and methods for the early detection of cancerous lesions.
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: August 19, 2008
    Assignee: Duke University
    Inventor: James J. Grichnik
  • X-ray tube rotating anode sensing detector
    Patent number: 3943356
    Abstract: An apparatus for sensing the speed of a rotating anode of an X-ray tube and for providing signals responsive to the detected rotating speed.
    Type: Grant
    Filed: December 5, 1974
    Date of Patent: March 9, 1976
    Assignee: Advanced Instrument Development, Inc.
    Inventors: Joel J. Schmutzer, John I. Klusendorf, James J. Grichnik