Patents by Inventor Stewart W. Wortley

Stewart W. Wortley 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).

  • Magnifying means
    Patent number: 4190322
    Abstract: A magnifying apparatus comprising a pair of mutually adjustable complementary magnifying elements wherein one of the elements is an elongated member having one flat surface and one transversely arcuate surface, and the other element is of a circular configuration having at least one convex surface.
    Type: Grant
    Filed: September 1, 1977
    Date of Patent: February 26, 1980
    Inventor: Stewart W. Wortley