Patents by Inventor Margaret Wheland Couch

Margaret Wheland Couch 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: 6360588
    Abstract: The subject invention pertains to the efficient and accurate detection and analysis of materials passing through a membrane. In a specific example the transport of materials through skin is analyzed. The subject method can allow accurate, precise, and specific real time measurements of compounds crossing a membrane. Accordingly, the subject method can save time in product development of pharmaceuticals, cosmetics, and protective clothing products, and can also reduce the need for animal and human testing.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: March 26, 2002
    Inventors: Edward Allan Ross, Ian R. Tebbett, Charles J. Schmidt, Timothy Patrick Griffin, Margaret Wheland Couch