Patents by Inventor George E. Duckett, III

George E. Duckett, III 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).

  • Publication number: 20110069400
    Abstract: An endoscope objective lens system design is disclosed, generally comprising a first lens group having overall negative refractive power, a second lens group having overall positive refractive power, and an aperture diaphragm disposed between the first and second lens groups wherein the first lens group includes a plano-concave lens with its concave surface facing the objective end of the endoscope.
    Type: Application
    Filed: November 22, 2010
    Publication date: March 24, 2011
    Inventor: George E. Duckett, III
  • Patent number: 7869140
    Abstract: An endoscope objective lens system design is disclosed, generally comprising a first lens group having overall negative refractive power, a second lens group having overall positive refractive power, and an aperture diaphragm disposed between the first and second lens groups wherein the first lens group includes a plano-concave lens with its concave surface facing the objective end of the endoscope.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: January 11, 2011
    Assignee: Karl Storz Imaging, Inc.
    Inventor: George E. Duckett, III