Neil Johansen

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for chemiluminescent detection of sulfur
- Patent number 5,501,981
- Issue date Mar 26, 1996
- Sievers Instruments, Inc.
- John D. Ray
- G01 - MEASURING TESTING
Information Patent Grant
Process and apparatus for simultaneous measurement of sulfur and no...
- Patent number 5,330,714
- Issue date Jul 19, 1994
- Sievers Instruments, Inc.
- Richard Godec
- G01 - MEASURING TESTING
Information Patent Grant
Process for simultaneous measurement of sulfur and non-sulfur conta...
- Patent number 5,310,683
- Issue date May 10, 1994
- Sievers Research, Inc.
- Richard Godec
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for simultaneous measurement of sulfur and non-sulfur con...
- Patent number 5,227,135
- Issue date Jul 13, 1993
- Sievers Research, Inc.
- Richard Godec
- G01 - MEASURING TESTING