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Brett Holmquist
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Mission Viejo, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods for detecting antibodies by surface plasmon resonance
Patent number
12,105,083
Issue date
Oct 1, 2024
Laboratory Corporation of America Holdings
Mary Katherine Morr Kelemen
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting dihydroxyvitamin D metabolites by mass spectr...
Patent number
12,066,446
Issue date
Aug 20, 2024
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Methods and systems for detecting prostaglandins by LC-MS/MS
Patent number
12,025,619
Issue date
Jul 2, 2024
Laboratory Corporation of America Holdings
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
11,921,122
Issue date
Mar 5, 2024
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vitamin D metabolite determination utilizing mass spectrometry foll...
Patent number
11,885,820
Issue date
Jan 30, 2024
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mass spectrometric determination of non-derivatized, non-metabolize...
Patent number
11,852,636
Issue date
Dec 26, 2023
QUEST DIAGNOSTICS INVESTMENTS INCORPORATED
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mass spectrometry of steroidal compounds in multiplexed patient sam...
Patent number
11,808,773
Issue date
Nov 7, 2023
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mass spectrometry of steroidal compounds in multiplexed patient sam...
Patent number
11,761,968
Issue date
Sep 19, 2023
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting dihydroxyvitamin D metabolites by mass spectr...
Patent number
11,650,216
Issue date
May 16, 2023
Quest Diagnostics Investments Incorporated
Brett Holmquist
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
11,579,154
Issue date
Feb 14, 2023
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mass spectrometric determination of non-derivatized, non-metabolize...
Patent number
11,549,954
Issue date
Jan 10, 2023
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Methods and systems for the detection of 11-oxo androgens by LC-MS/MS
Patent number
11,536,733
Issue date
Dec 27, 2022
Laboratory Corporation of America Holdings
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Mass spectrometric determination of non-derivatized, non-metabolize...
Patent number
11,280,799
Issue date
Mar 22, 2022
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vitamin D metabolite determination utilizing mass spectrometry foll...
Patent number
11,105,821
Issue date
Aug 31, 2021
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mass spectrometry of steroidal compounds in multiplexed patient sam...
Patent number
10,955,424
Issue date
Mar 23, 2021
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
10,935,558
Issue date
Mar 2, 2021
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
G01 - MEASURING TESTING
Information
Patent Grant
Mass spectrometric determination of non-derivatized, non-metabolize...
Patent number
10,753,950
Issue date
Aug 25, 2020
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vitamin D metabolite determination utilizing mass spectrometry foll...
Patent number
10,429,398
Issue date
Oct 1, 2019
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
10,267,810
Issue date
Apr 23, 2019
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
9,880,180
Issue date
Jan 30, 2018
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vitamin D metabolite determination utilizing mass spectrometry foll...
Patent number
9,625,477
Issue date
Apr 18, 2017
Quest Diagnostics Invstments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Vitamin D metabolite determination utilizing mass spectrometry foll...
Patent number
9,535,077
Issue date
Jan 3, 2017
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
9,529,004
Issue date
Dec 27, 2016
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mass spectrometry of steroidal compounds in multiplexed patient sam...
Patent number
9,506,937
Issue date
Nov 29, 2016
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
9,244,084
Issue date
Jan 26, 2016
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
G01 - MEASURING TESTING
Information
Patent Grant
Mass spectrometry of steroidal compounds in multiplexed patient sam...
Patent number
9,034,653
Issue date
May 19, 2015
Quest Diagnostics Investments Inc.
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
8,936,943
Issue date
Jan 20, 2015
Quest Diagnostics Investments, Inc.
Nigel J. Clarke
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting dihydroxyvitamin D metabolites by mass spectr...
Patent number
8,852,951
Issue date
Oct 7, 2014
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting vitamin D metabolites by mass spectrometry
Patent number
8,431,411
Issue date
Apr 30, 2013
Quest Diagnostics Investments Incorporated
Nigel Clarke
G01 - MEASURING TESTING
Information
Patent Grant
Methods for detecting dihydroxyvitamin D metabolites by mass spectr...
Patent number
8,389,292
Issue date
Mar 5, 2013
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Methods and Systems for Detecting Prostaglandins by LC-MS/MS
Publication number
20240426836
Publication date
Dec 26, 2024
Laboratory Corporation of America Holdings
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND SYSTEMS FOR DETECTING ANTIBODIES BY SURFACE PLASMON RES...
Publication number
20240410881
Publication date
Dec 12, 2024
Laboratory Corporation of America Holdings
Mary Katherine Morr Kelemen
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DETECTING DIHYDROXYVITAMIN D METABOLITES BY MASS SPECTR...
Publication number
20240361344
Publication date
Oct 31, 2024
Quest Diagnostics Investments LLC
Brett Holmquist
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
Publication number
20240168039
Publication date
May 23, 2024
Quest Diagnostics Investments LLC
Nigel J. Clarke
G01 - MEASURING TESTING
Information
Patent Application
VITAMIN D METABOLITE DETERMINATION UTILIZING MASS SPECTROMETRY FOLL...
Publication number
20240103022
Publication date
Mar 28, 2024
Quest Diagnostics Investments LLC
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MASS SPECTROMETRIC DETERMINATION OF NON-DERIVATIZED, NON-METABOLIZE...
Publication number
20240077503
Publication date
Mar 7, 2024
Quest Diagnostics Investments LLC
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MASS SPECTROMETRY OF STEROIDAL COMPOUNDS IN MULTIPLEX SAMPLES
Publication number
20230375575
Publication date
Nov 23, 2023
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS FOR DETECTING DIHYDROXYVITAMIN D METABOLITES BY MASS SPECTR...
Publication number
20230266347
Publication date
Aug 24, 2023
Quest Diagnostics Investments Incorporated
Brett HOLMQUIST
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
Publication number
20230184790
Publication date
Jun 15, 2023
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
MASS SPECTROMETRIC DETERMINATION OF NON-DERIVATIZED, NON-METABOLIZE...
Publication number
20230146212
Publication date
May 11, 2023
QUEST DIAGNOSTICS INVESTMENTS INCORPORATED
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Methods and Systems for Measuring Progesterone Metabolites
Publication number
20230128672
Publication date
Apr 27, 2023
Laboratory Corporation of America Holdings
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
MASS SPECTROMETRIC DETERMINATION OF NON-DERIVATIZED, NON-METABOLIZE...
Publication number
20220214366
Publication date
Jul 7, 2022
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Methods and Systems for Detecting Prostaglandins by LC-MS/MS
Publication number
20220082570
Publication date
Mar 17, 2022
Laboratory Corporation of America Holdings
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
VITAMIN D METABOLITE DETERMINATION UTILIZING MASS SPECTROMETRY FOLL...
Publication number
20220043011
Publication date
Feb 10, 2022
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
MASS SPECTROMETRY OF STEROIDAL COMPOUNDS IN MULTIPLEXED PATIENT SAM...
Publication number
20210349109
Publication date
Nov 11, 2021
Quest Diagnostics Investments Incorporated
Brett Holmquist
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
Publication number
20210231689
Publication date
Jul 29, 2021
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
G01 - MEASURING TESTING
Information
Patent Application
MASS SPECTROMETRIC DETERMINATION OF NON-DERIVATIZED, NON-METABOLIZE...
Publication number
20210041464
Publication date
Feb 11, 2021
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
Methods and Systems for the Detection of 11-Oxo Androgens by LC-MS/MS
Publication number
20200333361
Publication date
Oct 22, 2020
Laboratory Corporation of America Holdings
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
Methods and Systems for Detecting Antibodies by Surface Plasmon Res...
Publication number
20200333331
Publication date
Oct 22, 2020
Laboratory Corporation of America Holdings
Mary Katherine Morr Kelemen
G01 - MEASURING TESTING
Information
Patent Application
VITAMIN D METABOLITE DETERMINATION UTILIZING MASS SPECTROMETRY FOLL...
Publication number
20200241018
Publication date
Jul 30, 2020
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DETECTING DIHYDROXYVITAMIN D METABOLITES BY MASS SPECTR...
Publication number
20200158688
Publication date
May 21, 2020
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
Publication number
20190250175
Publication date
Aug 15, 2019
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
G01 - MEASURING TESTING
Information
Patent Application
MASS SPECTROMETRIC DETERMINATION OF NON-DERIVATIZED, NON-METABOLIZE...
Publication number
20180348236
Publication date
Dec 6, 2018
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
Publication number
20180156828
Publication date
Jun 7, 2018
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MASS SPECTROMETRY OF STEROIDAL COMPOUNDS IN MULTIPLEXED PATIENT SAM...
Publication number
20170261523
Publication date
Sep 14, 2017
Quest Diagnostics Investments Incorporated
Brett HOLMQUIST
G01 - MEASURING TESTING
Information
Patent Application
VITAMIN D METABOLITE DETERMINATION UTILIZING MASS SPECTROMETRY FOLL...
Publication number
20170248620
Publication date
Aug 31, 2017
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
MASS SPECTROMETRIC DETERMINATION OF COOKSON-DERIVATIZED, NON-METABO...
Publication number
20170115314
Publication date
Apr 27, 2017
Quest Diagnostics Investments Incorporated
Brett Holmquist
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
Publication number
20170102400
Publication date
Apr 13, 2017
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
G01 - MEASURING TESTING
Information
Patent Application
METHODS FOR DETECTING VITAMIN D METABOLITES BY MASS SPECTROMETRY
Publication number
20160139157
Publication date
May 19, 2016
Quest Diagnostics Investments Incorporated
Nigel J. Clarke
G01 - MEASURING TESTING
Information
Patent Application
MASS SPECTROMETRY OF STEROIDAL COMPOUNDS IN MULTIPLEXED PATIENT SAM...
Publication number
20160061848
Publication date
Mar 3, 2016
Quest Diagnostics Investments Incorporated
Brett HOLMQUIST
G01 - MEASURING TESTING