David G. Steinberg

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Stamford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Means to differentiate between commands and data on a communication...
- Patent number 5,253,274
- Issue date Oct 12, 1993
- International Business Machines Corporation
- Frank J. Janniello
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Space-division switched waveguide array filter and method using same
- Patent number 5,233,453
- Issue date Aug 3, 1993
- International Business Machines Corporation
- Kumar N. Sivarajan
- G02 - OPTICS