Karl Hess

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Urbana, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and method
- Patent number 4,994,882
- Issue date Feb 19, 1991
- University of Illinois
- Karl Hess
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Negative resistance heterojunction devices
- Patent number 4,257,055
- Issue date Mar 17, 1981
- University of Illinois Foundation
- Karl Hess
- H01 - BASIC ELECTRIC ELEMENTS