Patents by Inventor Gerard William Crock

Gerard William Crock 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).

  • Operating magnifier and miniature opthalmoscope
    Patent number: 3945712
    Abstract: A magnifier and miniature ophthalmoscope which may be worn over the eyes of a surgeon and which permits use without removal from the head as either an ophthalmoscope or as a magnifier. A first optical path of the instrument includes a magnifying objective and an eyepiece. A second optical path which can be introduced includes a first silvered mirror directed toward the center of the instrument and a second silvered mirror on the instrument center line and an objective so that each eye of the wearer examines a narrow field at about the center line of the instrument. A change means in the form of a carriage carrying the eyepiece of the magnifier and the first mirror may be moved to select the instrument function.This invention relates to an improved operating magnifier and miniature ophthalmoscope.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: March 23, 1976
    Assignee: University of Melbourne
    Inventors: Gerard William Crock, Ljubomir Pericic