John S. Escher

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Paradise Valley, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a sensor for determining a ratio of materials in a...
- Patent number 5,658,810
- Issue date Aug 19, 1997
- Motorola
- Michael Dydyk
- G01 - MEASURING TESTING
Information Patent Grant
Sensor for determining a ratio of materials in a mixture and method
- Patent number 5,500,543
- Issue date Mar 19, 1996
- Motorola
- Michael Dydyk
- G01 - MEASURING TESTING