Bartley C. Johnson

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Cranbury, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
InP/InGaAs monolithic integrated photodetector and heterojunction b...
- Patent number 5,063,426
- Issue date Nov 5, 1991
- AT&T Bell Laboratories
- S. Chandrasekhar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Monitoring and/or control of optical amplifiers
- Patent number 4,918,396
- Issue date Apr 17, 1990
- AT&T Bell Laboratories
- Thirumala R. Halemane
- H04 - ELECTRIC COMMUNICATION TECHNIQUE