David B. Wamstad

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Roseville, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid isolated self-compensating absolute pressure sensor transducer
- Patent number 5,029,478
- Issue date Jul 9, 1991
- Honeywell Inc.
- David B. Wamstad
- G01 - MEASURING TESTING
Information Patent Grant
Pressure transducer package
- Patent number 4,710,744
- Issue date Dec 1, 1987
- Honeywell Inc.
- David B. Wamstad
- G01 - MEASURING TESTING
Information Patent Grant
Pressure transducer
- Patent number 4,665,754
- Issue date May 19, 1987
- Honeywell Inc.
- Max C. Glenn
- G01 - MEASURING TESTING
Information Patent Grant
Very high hermeticity glass to metal seal
- Patent number 4,509,880
- Issue date Apr 9, 1985
- Honeywell Inc.
- David B. Wamstad
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluid pressure transmitter assembly
- Patent number 4,502,335
- Issue date Mar 5, 1985
- Honeywell Inc.
- David B. Wamstad
- G01 - MEASURING TESTING
Information Patent Grant
Stress sensitive semiconductor unit and housing means therefor
- Patent number 4,399,707
- Issue date Aug 23, 1983
- Honeywell, Inc.
- David B. Wamstad
- G01 - MEASURING TESTING
Information Patent Grant
Differential pressure to electrical signal transducer
- Patent number 4,361,047
- Issue date Nov 30, 1982
- Honeywell Inc.
- Raymond F. McMullen
- G01 - MEASURING TESTING