Patents by Inventor Thomas V. Ward

Thomas V. Ward 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).

  • Correlation spectrometer for nerve agents
    Patent number: 4516857
    Abstract: A correlation spectrometer directs light from the ambient atmosphere onto a light detector, a first portion of the light being directed through a reference substance and a second portion being directed onto said light detector without passage through the reference substance, whereby the light detector provides first and second electrical signals corresponding, respectively, to said first and second light portions. The reference substance is a surrogate substance different from a substance to be detected by the spectrometer but which has a spectrum which correlates with that of the substance to be detected.
    Type: Grant
    Filed: May 4, 1982
    Date of Patent: May 14, 1985
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence
    Inventors: John M. Preston, Thomas V. Ward, William H. Morrow