Patents by Inventor John F. Fitchen

John F. Fitchen 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).

  • Sampling method and device
    Patent number: 7993871
    Abstract: Disclosed herein is test device and method for detection of sample analytes in which after sampling has occurred a closure is provided. Such a test device and method can be usefully employed to detect a variety of analytes including microorganisms.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: August 9, 2011
    Assignee: Charm Sciences, Inc.
    Inventors: Richard T. Skiffington, Robert S. Salter, John F. Fitchen
  • Sampling Method and Device
    Publication number: 20080206740
    Abstract: Disclosed herein is test device and method for detection of sample analytes in which after sampling has occurred a closure is provided. Such a test device and method can be usefully employed to detect a variety of analytes including microorganisms.
    Type: Application
    Filed: December 19, 2005
    Publication date: August 28, 2008
    Inventors: Richard T. Skiffington, Robert S. Salter, John F. Fitchen