Ojars Risgin

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Grass Lake, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-compensating gas detection apparatus
- Patent number 4,443,791
- Issue date Apr 17, 1984
- Ojars Risgin
- G08 - SIGNALLING
Information Patent Grant
Gas analyzing
- Patent number 4,008,394
- Issue date Feb 15, 1977
- Sensors, Inc.
- Ojars Risgin
- G01 - MEASURING TESTING