Hafeman; Dean G.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hafeman; Dean G..The latest application filed is for "methods and devices for concentration and fractionation of analytes for chemical analysis including matrix-assisted laser desorption/ionization (maldi) mass spectrometry (ms)".

Company Profile

0.22.10

Hafeman; Dean G. - Hillsborough CA
Hafeman; Dean G. - Hillborough CA
Hafeman; Dean G. - Knoxville TN
Hafeman; Dean G. - San Bruno CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods for removing biological residue from capillary walls in microchannels Grant 7,901,621 - Hafeman , et al. March 8, 2	2011-03-08
Determination of light absorption pathlength in a vertical-beam photometer Grant 7,663,755 - Hafeman , et al. February 16, 2	2010-02-16
Methods and Devices for Concentration and Fractionation of Analytes for Chemical Analysis Including Matrix-Assisted Laser Desorption/Ionization (MALDI) Mass Spectrometry (MS) App 20090071834 - Hafeman; Dean G. ; et al.	2009-03-19
Determination of Light Absorption Pathlength in a Vertical-Beam Photometer App 20080285036 - Hafeman; Dean G. ; et al.	2008-11-20
Methods for Prevention of Surface Adsorption of Biological Materials to Capillary Walls in Microchannels App 20070246076 - Hafeman; Dean G. ; et al.	2007-10-25
Methods for prevention of surface adsorption of biological materials to capillary walls in microchannels Grant 7,252,928 - Hafeman , et al. August 7, 2	2007-08-07
Determination of light absorption pathlength in a vertical-beam photometer App 20060238764 - Hafeman; Dean G. ; et al.	2006-10-26
Improved Methods and Devices for Concentration and Fractionation of Analytes for Chemical Analysis including Matrix-Assisted Laser Desorption/Ionization (MALDI) Mass Spectrometry (MS) App 20060219558 - Hafeman; Dean G. ; et al.	2006-10-05
Capture and release assay system and method App 20060211055 - Hafeman; Dean G. ; et al.	2006-09-21
Determination of light absorption pathlength in a vertical-beam photometer Grant 6,995,844 - Hafeman , et al. February 7, 2	2006-02-07
Light detection device Grant 6,930,314 - Jackson, III , et al. August 16, 2	2005-08-16
Methods and devices for monitoring cellular metabolism in microfluidic cell-retaining chambers App 20040197905 - Hafeman, Dean G.	2004-10-07
Photometric device Grant 6,693,709 - Wechsler , et al. February 17, 2	2004-02-17
Photometric device App 20030081207 - Wechsler, Mark ; et al.	2003-05-01
Vertical-beam photometer for determination of light absorption pathlength Grant 6,496,260 - Hafeman , et al. December 17, 2	2002-12-17
Fluid delivery and analysis systems App 20020176801 - Giebeler, Robert H. ; et al.	2002-11-28
Light detection device App 20020109100 - Jackson, Joseph H. III ; et al.	2002-08-15
Determination of light absorption pathlength in a vertical-beam photometer Grant 6,404,501 - Hafeman , et al. June 11, 2	2002-06-11
Determination of light absorption pathlength in a vertical-beam photometer Grant 6,339,472 - Hafeman , et al. January 15, 2	2002-01-15
Determination of light absorption pathlength in a vertical-beam photometer Grant 6,188,476 - Hafeman , et al. February 13, 2	2001-02-13
Photometric device Grant 6,151,111 - Wechsler , et al. November 21, 2	2000-11-21
Multi-assay plate cover for elimination of meniscus Grant 6,074,614 - Hafeman , et al. June 13, 2	2000-06-13
Determination of light absorption pathlength in a vertical-beam photometer Grant 5,959,738 - Hafeman , et al. September 28, 1	1999-09-28
Metabolic monitoring of cells in a microplate reader Grant 5,766,875 - Hafeman , et al. June 16, 1	1998-06-16
Electrochemical system for rapid detection of biochemical agents that catalyze a redox potential change Grant 5,567,302 - Song , et al. October 22, 1	1996-10-22
Photometric device Grant 5,557,398 - Wechsler , et al. September 17, 1	1996-09-17
Polyredox couples in analyte determinations Grant 5,501,956 - Wada , et al. * March 26, 1	1996-03-26
Device for photoresponsive detection and discrimination Grant 5,500,188 - Hafeman , et al. * March 19, 1	1996-03-19
Ultraviolet radiation transparent multi-assay plates Grant 5,487,872 - Hafeman , et al. January 30, 1	1996-01-30
Multiple chemically modulated capacitance determination Grant 5,164,319 - Hafeman , et al. November 17, 1	1992-11-17
Polyredox couples in analyte determinations Grant 4,942,127 - Wada , et al. July 17, 1	1990-07-17
Method of analyzing semiconductor systems Grant 4,758,786 - Hafeman July 19, 1	1988-07-19

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