Keller; Richard A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Keller; Richard A..The latest application filed is for "method of reducing peak broadening in analytical measurements".

Company Profile

0.18.3

Keller; Richard A. - Oconomowoc WI US
Keller; Richard A. - Los Alamos NM
Keller; Richard A. - White Rock NM
Keller; Richard A. - Palo Alto CA
Keller; Richard A. - Hartland WI

*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
Vehicle lift barrier Grant 8,403,615 - McGlinn , et al. March 26, 2	2013-03-26
Method of reducing peak broadening in analytical measurements App 20090128812 - Keller; Richard A. ; et al.	2009-05-21
Quenching methods for background reduction in luminescence-based probe-target binding assays Grant 7,202,036 - Cai , et al. April 10, 2	2007-04-10
Rapid haplotyping by single molecule detection App 20060008799 - Cai; Hong ; et al.	2006-01-12
Quenching methods for background reduction in luminescence-based probe-target binding assays App 20040253593 - Cai, Hong ; et al.	2004-12-16
High throughput analysis of samples in flowing liquid Grant 6,309,886 - Ambrose , et al. October 30, 2	2001-10-30
Single molecule identification using selected fluorescence characteristics Grant 6,049,380 - Goodwin , et al. April 11, 2	2000-04-11
Method and apparatus for reducing solvent luminescence background emissions Grant 5,827,663 - Affleck , et al. October 27, 1	1998-10-27
DNA fragment sizing and sorting by laser-induced fluorescence Grant 5,558,998 - Hammond , et al. September 24, 1	1996-09-24
Method for rapid base sequencing in DNA and RNA with two base labeling Grant 5,405,747 - Jett , et al. April 11, 1	1995-04-11
Linear load circuit to control switching power supplies under minimum load conditions Grant 5,285,367 - Keller February 8, 1	1994-02-08
Below ground current sensing with current input to control threshold Grant 5,245,526 - Balakrishnan , et al. September 14, 1	1993-09-14
Low noise voltage regulator and method using a gated single ended oscillator Grant 5,164,891 - Keller November 17, 1	1992-11-17
Method for rapid base sequencing in DNA and RNA Grant 4,962,037 - Jett , et al. October 9, 1	1990-10-09
Articulated power-driven shopping cart Grant 4,771,840 - Keller September 20, 1	1988-09-20
Apparatus and method for measurement of weak optical absorptions by thermally induced laser pulsing Grant 4,544,274 - Cremers , et al. October 1, 1	1985-10-01
Apparatus and method for quantitative measurement of small differences in optical absorptivity between two samples using differential interferometry and the thermooptic effect Grant 4,447,153 - Cremers , et al. May 8, 1	1984-05-08
Optogalvanic intracavity quantitative detector and method for its use Grant 4,402,606 - Zalewski , et al. September 6, 1	1983-09-06
Frequency stabilized laser Grant 4,184,127 - Green , et al. January 15, 1	1980-01-15
Switching regulator power supply Grant 4,037,271 - Keller July 19, 1	1977-07-19

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