Patents by Inventor Robert D. Dubois

Robert D. Dubois 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).

  • Patent number: 3989136
    Abstract: An improved guide for use in aligning within a typewriter a sheet of paper preparatory to an application of typed indicia to a space thereof. The guide is characterized by a bellcrank lever, pivotally supported by a swatch of flexible material adhesively secured to a typewriter adjacent the V-guides thereof, and supporting at its distal end a space sight including a pair of orthogonally related legs positionable into and out of the path of a type slug for framing a targeted space to be struck by a slug in response to a depression of a selected key.
    Type: Grant
    Filed: August 9, 1973
    Date of Patent: November 2, 1976
    Inventors: James C. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Fletcher, Robert D. Dubois, George T. Pinson