Patents by Inventor Grant William Roland Harlow

Grant William Roland Harlow 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 structure for intensely illuminating narrow linear region
    Patent number: 5671306
    Abstract: A lighting structure for intensely illuminating a narrow linear region. A light source emits light into an end of a hollow, elongate light guide. A longitudinal slit light-emitting aperture extends through an external wall of the light guide. A lens is mounted in the aperture. The lens bears a plurality of prisms which extend substantially perpendicular to the slit, on an inwardly directed face of the lens. The lens may be formed of a film material. A mechanism is provided to maintain the lens flat. A diffuser mounted outwardly of the lens bears a plurality of thin striations extending transversely, relative to the longitudinal slit aperture.
    Type: Grant
    Filed: December 21, 1994
    Date of Patent: September 23, 1997
    Assignee: TIR Systems Ltd.
    Inventors: Allan Brent York, Grant William Roland Harlow, George Everett Matheson