Jan Krcma

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Elk Grove Village, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermal gas sensing apparatus
- Patent number 5,897,836
- Issue date Apr 27, 1999
- J and N Associates, Inc.
- Dennis Martell
- G01 - MEASURING TESTING
Information Patent Grant
Refrigerant gas leak detector
- Patent number 5,351,037
- Issue date Sep 27, 1994
- J and N Associates, Inc.
- Dennis Martell
- G01 - MEASURING TESTING
Information Patent Grant
Gas leak detector sensing tip with interior concentric bores and co...
- Patent number 5,347,223
- Issue date Sep 13, 1994
- J and N Associates, Inc.
- Jan Krcma
- G01 - MEASURING TESTING
Information Patent Grant
Gas detector
- Patent number 5,184,500
- Issue date Feb 9, 1993
- J and N Associates, Inc.
- Jan Krcma
- G01 - MEASURING TESTING