Patents by Inventor Thomas Angell Hatfield

Thomas Angell Hatfield 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).

  • Patent number: 7798090
    Abstract: A deployable signaling device and method of use thereof which includes material with detectable properties such that it can be distinguished from a background when deployed in various environments. Such detectable properties may include visible detection, detection by hyperspectral imaging sensors, radio wave detection, and/or detection other electromagnetic differentiation from the background in which the material is associated or adjacent to. In one preferred form, the selectively detectable material has an deployable shape having a plurality of directional biasing elements associated with said material.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: September 21, 2010
    Inventor: Thomas Angell Hatfield