David A. McCrae

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Richmond, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical assay apparatus and methods
- Patent number 7,651,869
- Issue date Jan 26, 2010
- Research International, Inc.
- Elric W. Saaski
- G01 - MEASURING TESTING
Information Patent Grant
Air sampler
- Patent number 7,261,008
- Issue date Aug 28, 2007
- Research International, Inc.
- Elric W. Saaski
- G01 - MEASURING TESTING
Information Patent Grant
High efficiency wetted surface cyclonic air sampler
- Patent number 6,532,835
- Issue date Mar 18, 2003
- Research International, Inc.
- Elric W. Saaski
- G01 - MEASURING TESTING
Information Patent Grant
High efficiency a wetted surface cyclonic air sampler
- Patent number 6,484,594
- Issue date Nov 26, 2002
- Research International, Inc.
- Elric W. Saaski
- G01 - MEASURING TESTING
Information Patent Grant
Multifunctional sensor system
- Patent number 5,606,170
- Issue date Feb 25, 1997
- Research International, Inc.
- Elric W. Saaski
- G01 - MEASURING TESTING
Information Patent Grant
Optical pH and gas concentration sensor
- Patent number 5,039,492
- Issue date Aug 13, 1991
- Metricor, Inc.
- Elric W. Saaski
- G01 - MEASURING TESTING
Information Patent Grant
Optical oxygen sensor
- Patent number 5,039,491
- Issue date Aug 13, 1991
- Metricor, Inc.
- Elric W. Saaski
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ASSAY APPARATUS AND METHODS
- Publication number 20090296083
- Publication date Dec 3, 2009
- Elric W. Saaski
- G01 - MEASURING TESTING
Information Patent Application
AIR SAMPLER
- Publication number 20030115975
- Publication date Jun 26, 2003
- Research Intertional, Inc.
- Elric W. Saaski
- G01 - MEASURING TESTING