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Harold S. Lessure
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Wide concentration range gas detection
Patent number
7,592,595
Issue date
Sep 22, 2009
Operations Technology Development, NFP
Harold S. Lessure
G01 - MEASURING TESTING
Information
Patent Grant
Method and assembly for gas detection via a convergent birefringent...
Patent number
6,576,905
Issue date
Jun 10, 2003
Gas Research Institute
Harold S. Lessure
G01 - MEASURING TESTING
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Patent Grant
Non-dispersive infrared gas analyzer with interfering gas correction
Patent number
5,886,348
Issue date
Mar 23, 1999
American Intell-Sensors Corporation
Harold S. Lessure
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
Method and assembly for gas detection via a convergent birefringent...
Publication number
20030030811
Publication date
Feb 13, 2003
Harold S. Lessure
G01 - MEASURING TESTING