Friedrich H. Doerbeck

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for fabricating GaAs bipolar integrated circuit devices
- Patent number 4,654,960
- Issue date Apr 7, 1987
- Texas Instruments Incorporated
- William V. McLevige
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaAs/GaAlAs Heterojunction bipolar integrated circuit devices
- Patent number 4,573,064
- Issue date Feb 25, 1986
- Texas Instruments Incorporated
- William V. McLevige
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method and Systems for Characterization and Production of High Qual...
- Publication number 20130112134
- Publication date May 9, 2013
- GIGA INDUSTRIES, INC.
- David C. Spencer
- C30 - CRYSTAL GROWTH
Information Patent Application
Methods and Systems for Characterization and Production of High Pur...
- Publication number 20110290173
- Publication date Dec 1, 2011
- David C. Spencer
- C30 - CRYSTAL GROWTH