Harwill Corporation

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Oxnard, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Photo detector bending beam flow switch and flow meter
- Patent number 5,847,288
- Issue date Dec 8, 1998
- Harwill Corporation
- Harold D. Hutchinson
- G01 - MEASURING TESTING
Information Patent Grant
Hall effect fluid flow switch and flow meter
- Patent number 5,767,419
- Issue date Jun 16, 1998
- Harwill Corporation
- Harold D. Hutchinson
- G01 - MEASURING TESTING

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