Patents by Inventor Nicholas P. Watts

Nicholas P. Watts 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).

  • Illumination system for a photographic copying apparatus
    Patent number: 4132478
    Abstract: A light-diffuser for a photographic copier such as an enlarger incorporates a closely contacting parallel row of elongated glass rods held between a pair of tracks. The rods are preferably of heat-resistant glass of round cross section. An additional row of such rods may be disposed parallel to the first row and staggered therefrom to improve the diffusion of a beam of light passing through them.
    Type: Grant
    Filed: July 6, 1977
    Date of Patent: January 2, 1979
    Assignee: Durst (U.K.) Limited
    Inventors: John G. Long, Nicholas P. Watts