Robert A. Lieberman

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Murray Hill, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable gap device and method of manufacture
- Patent number RE33651
- Issue date Jul 30, 1991
- AT&T Bell Laboratories
- Greg E. Blonder
- 361 - Electricity: electrical systems and devices
Information Patent Grant
Optical systems with thin film polarization rotators and method for...
- Patent number 4,952,014
- Issue date Aug 28, 1990
- AT&T Bell Laboratories
- Robert A. Lieberman
- G02 - OPTICS
Information Patent Grant
Optical fiber sensors for chemical detection
- Patent number 4,834,496
- Issue date May 30, 1989
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Lee L. Blyler
- G01 - MEASURING TESTING
Information Patent Grant
Bidirectional fiber optic systems
- Patent number 4,709,413
- Issue date Nov 24, 1987
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Stephen R. Forrest
- G02 - OPTICS
Information Patent Grant
Variable gap device and method of manufacture
- Patent number 4,617,608
- Issue date Oct 14, 1986
- AT&T Bell Laboratories
- Greg E. Blonder
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS