Patents by Inventor John C. Les Veaux

John C. Les Veaux 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).

  • Lens focusing means for slide projectors
    Patent number: 3966315
    Abstract: Means to manually or power focus the adjustable lens unit of the projector. The power adjustment can be made irrespective of the position of the adjustable lens unit and safety features are incorporated which prevent locking and possible damage to the adjustment means when the limit of adjustment of the lens unit in a given direction has been reached.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: June 29, 1976
    Assignee: Hanimex Pty. Ltd.
    Inventors: Robert E. Styles, John C. Les Veaux