David K. Walker

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Northfield, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Contraband detection system
- Patent number 5,227,800
- Issue date Jul 13, 1993
- Millitech Corporation
- G. Richard Huguenin
- G01 - MEASURING TESTING
Information Patent Grant
Millimeter wave imaging sensors, sources and systems
- Patent number 5,202,692
- Issue date Apr 13, 1993
- Millitech Corporation
- Richard G. Huguenin
- G01 - MEASURING TESTING
Information Patent Grant
Fabrication of gunn diode semiconductor devices
- Patent number 5,145,809
- Issue date Sep 8, 1992
- Millitech Corporation
- David K. Walker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contraband detection system
- Patent number 5,073,782
- Issue date Dec 17, 1991
- Millitech Corporation
- G. Richard Huguenin
- G01 - MEASURING TESTING
Information Patent Grant
Micrometer wave imaging device
- Patent number 4,910,523
- Issue date Mar 20, 1990
- Millitech Corporation
- Richard G. Huguenin
- G01 - MEASURING TESTING
Information Patent Grant
Object detection and location system
- Patent number 4,901,084
- Issue date Feb 13, 1990
- Millitech Corporation
- Richard G. Huguenin
- G01 - MEASURING TESTING