Patents by Inventor David H. Jeffrey

David H. Jeffrey 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).

  • Integrated illumination and imaging system
    Patent number: 6306083
    Abstract: A fiber optic endoscope which uses a bundle of coherent fiber to convey both an optical image in one direction and illumination light in the other direction. A fraction of the optical fibers are used for the illumination, and others of the fibers are used for the image. Notched fibers can be used for the illumination.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: October 23, 2001
    Assignee: Micro Medical Devices, Inc.
    Inventors: Ulrich A. Bonne, James A. J. Holroyd, David R. Wulfman, David H. Jeffrey, Arthur G. Erdman
  • Integrated illumination and imaging system
    Patent number: 6013025
    Abstract: A miniaturized endoscope is formed by passing light in both directions down the endoscope.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: January 11, 2000
    Assignee: Micro Medical Devices, Inc.
    Inventors: Ulrich A. Bonne, James A.J. Holroyd, David R. Wulfman, David H. Jeffrey, Arthur G. Erdman