Patents by Inventor John Mark Christiansen

John Mark Christiansen 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: 8067358
    Abstract: Disclosed are formulae and methods for the simultaneous relief of a variety of unpleasant symptoms of poison ivy on the skin. The compositions of the present invention remove toxic urushiol, relieve itching of the skin from urushiol, and heal the dermatitis caused by urushiol. A preferred embodiment of the invention is a topical dosage form which can be applied as often as desired, may be scrubbed onto the skin, and leaves a soothing effect on the skin after rinsing with warm water.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: November 29, 2011
    Assignee: Tec Laboratories, Inc.
    Inventors: Robert Lee Smith, John Mark Christiansen, Wendy S Langley, Vernon W. Smith, Brian Chipman