Patents by Inventor Margaret R. Pippin

Margaret R. Pippin 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).

  • Publication number: 20080259341
    Abstract: A method and apparatus for measuring a gas concentration detected by a passive sampler are provided. The apparatus includes a light source which illuminates a passive sampler, a detector which detects light from the light source reflected from the passive sampler and provides an output signal, and a microprocessor which receives the output signal and calculates light absorption by the passive sampler based on the received signal.
    Type: Application
    Filed: November 6, 2007
    Publication date: October 23, 2008
    Inventors: Gary W. Short, Dale Main, Margaret R. Pippin, Linda Bush