Patents by Inventor Ronald Szumski

Ronald Szumski 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).

  • Lens systems
    Patent number: 4921318
    Abstract: A lens system for imaging infra-red radiation comprises two elements, one of Zinc Selenide and the other of either Zinc Sulfide or Cesium Bromide (5). Lens configurations are shown which allow imaging at a common image plane over at least both the 3-5 .mu.m and 8-12 .mu.m optical wavebands.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: May 1, 1990
    Assignee: GEC-Marconi Limited
    Inventor: Ronald Szumski