Ralph H. Johnson

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for micromachining semiconductor material
- Patent number 5,225,377
- Issue date Jul 6, 1993
- Honeywell Inc.
- John R. Hines
- G01 - MEASURING TESTING
Information Patent Grant
Pressure transducer with reduced offset signal
- Patent number 5,174,156
- Issue date Dec 29, 1992
- Honeywell Inc.
- Ralph H. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
Ribbed and bossed pressure transducer
- Patent number 5,156,052
- Issue date Oct 20, 1992
- Honeywell Inc.
- Ralph H. Johnson
- G01 - MEASURING TESTING