Edwards S. Atwood

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Natick, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of detecting nitrogen oxides in gaseous or liquid samples
- Patent number 4,849,058
- Issue date Jul 18, 1989
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Method of detecting carbon dioxide in a gaseous or liquid sample
- Patent number 4,846,937
- Issue date Jul 11, 1989
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Method of determining ammonia in a gaseous or liquid sample
- Patent number 4,842,697
- Issue date Jun 27, 1989
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Method of determining H.sub.2 S
- Patent number 4,780,185
- Issue date Oct 25, 1988
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Method of detecting hydrogen cyanide gas in a gaseous or liquid sample
- Patent number 4,756,804
- Issue date Jul 12, 1988
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Gas sensor
- Patent number 4,659,434
- Issue date Apr 21, 1987
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING
Information Patent Grant
Ion-selective electrodes
- Patent number 4,549,953
- Issue date Oct 29, 1985
- HNU Systems, Inc.
- John N. Driscoll
- G01 - MEASURING TESTING