Patents by Inventor Ron Overaker

Ron Overaker 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).

  • Lighting instrument, in particular for use in ophthalmologic microsurgery
    Patent number: 5964747
    Abstract: A micro surgical lighting instrument includes a hollow needle and a light guide received coaxially within the hollow needle and connected to a light source for transmitting light to a surgical site of a patient. The light guide has a distal end formed with an end face of circular segment shape and defined by a plane oriented orthogonal to the axis of the hollow needle, and a slanted surface adjacent the end face and extending rearwardly at an acute angle, with the slanted surface being lined by a coating for reflection of incident light rays.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: October 12, 1999
    Assignee: Duke University
    Inventors: Alexander M. Eaton, Robert Machemer, Dyson Hickingbotham, Ron Overaker