Patents by Inventor David C. Gilkeson

David C. Gilkeson 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).

  • Mirror scanner synchronized with moving folded document plane
    Patent number: 4299480
    Abstract: An image scanning apparatus for use in a camera or reproduction machine where a mirror reflects the image producing rays by movement relative to the object and image planes and a lens while staying on a plane, during such movement, which is coincident to the perpendicular bisector of an imaginary line connecting corresponding image points on the normal image plane and the folded image plane.
    Type: Grant
    Filed: September 2, 1980
    Date of Patent: November 10, 1981
    Assignee: Minnesota Mining & Manufacturing Company
    Inventors: David C. Gilkeson, Robert A. Muehlhausen