Patents by Inventor Ray M. Von Wandruszka

Ray M. Von Wandruszka 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).

  • Detection device for high explosives
    Patent number: 5157261
    Abstract: A portable fiber optic detector that senses the presence of specific target chemicals by electrostatically attracting the target chemical to an aromatic compound coating on an optical fiber. Attaching the target chemical to the coated fiber reduces the fluorescence so that a photon sensing detector records the reduced light level and activates an appropriate alarm or indicator.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: October 20, 1992
    Assignee: EG&G Idaho, Inc.
    Inventors: Alan E. Grey, Judy K. Partin, Mark L. Stone, Ray M. Von Wandruszka, William K. Reagen, Jani C. Ingram, Gregory D. Lancaster