Patents by Inventor David J. Kuntz

David J. Kuntz 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).

  • Oral detection test for cannabinoid use
    Patent number: 7977107
    Abstract: A method for confirming the active intake of marijuana and its active component ?9-tetrahydrocannabinol (“?9-THC”) by detecting the amount of 11-nor-?9-THC carboxylic acid (“THCA”) in oral fluid at the picogram per milliliter (pg/ml) level using chromatography/mass spectrometry/mass spectrometry (“GC/MS/MS”).
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: July 12, 2011
    Assignee: LabOne, Inc.
    Inventors: David Day, David J. Kuntz, Michael S. Feldman
  • ORAL DETECTION TEST FOR CANNABINOID USE
    Publication number: 20110020945
    Abstract: A method for confirming the active intake of marijuana and its active component ?9-tetrahydrocannabinol (“?9-THC”) by detecting the amount of 11-nor-?9-THC carboxylic acid (“THCA”) in oral fluid at the picogram per milliliter (pg/ml) level using chromatography/mass spectrometry/mass spectrometry (“GC/MS/MS”).
    Type: Application
    Filed: October 1, 2010
    Publication date: January 27, 2011
    Inventors: David Day, David J. Kuntz, Michael S. Feldman
  • Oral detection test for cannabinoid use
    Patent number: 7816143
    Abstract: A method for confirming the active intake of marijuana and its active component ?9-tetrahydrocannabinol (“?9-THC”) by detecting the amount of 11-nor-?9-THC carboxylic acid (“THCA”) in oral fluid at the picogram per milliliter (pg/ml) level using chromatography/mass spectrometry/mass spectrometry (“GC/MS/MS”).
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: October 19, 2010
    Assignee: LabOne, Inc.
    Inventors: David Day, David J. Kuntz, Michael S. Feldman
  • Oral Detection Test for Cannabinoid Use
    Publication number: 20090159792
    Abstract: A method for confirming the active intake of marijuana and its active component ?9-tetrahydrocannabinol (“?9-THC”) by detecting the amount of 11-nor-?9-THC carboxylic acid (“THCA”) in oral fluid at the picogram per milliliter (pg/ml) level using chromatography/mass spectrometry/mass spectrometry (“GC/MS/MS”).
    Type: Application
    Filed: November 13, 2008
    Publication date: June 25, 2009
    Inventors: David Day, David J. Kuntz, Michael S. Feldman
  • Oral detection test for cannabinoid use
    Patent number: 7465586
    Abstract: A method for confirming the active intake of marijuana and its active component ?9-tetrahydrocannabinol (“?9-THC”) by detecting the amount of 11-nor-?9-THC carboxylic acid (“THCA”) in oral fluid at the picogram per milliliter (pg/ml) level using chromatography/mass spectrometry/mass spectrometry (“GC/MS/MS”).
    Type: Grant
    Filed: November 3, 2004
    Date of Patent: December 16, 2008
    Assignee: LabOne, Inc.
    Inventors: David Day, David J. Kuntz, Michael S. Feldman