Robert M. Biefeld

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Albuquerque, NM, US

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Patents Grantslast 30 patents

Information Patent Grant
Infrared light sources with semimetal electron injection
- Patent number 5,995,529
- Issue date Nov 30, 1999
- Sandia Corporation
- Steven R. Kurtz
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Infrared emitting device and method
- Patent number 5,625,635
- Issue date Apr 29, 1997
- Sandia Corporation
- Steven R. Kurtz
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Long wavelength, high gain InAsSb strained-layer superlattice photo...
- Patent number 5,065,205
- Issue date Nov 12, 1991
- The United States of America as represented by the United States Department o...
- Robert M. Biefeld
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor devices incorporating multilayer interference regions
- Patent number 4,947,223
- Issue date Aug 7, 1990
- The United States of America as represented by the United States Department o...
- Robert M. Biefeld
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Superlattice optical device
- Patent number 4,616,241
- Issue date Oct 7, 1986
- The United States of America as represented by the United States Department o...
- Robert M. Biefeld
- B82 - NANO-TECHNOLOGY