David A. Smith

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Freehold, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Polarization converter with apodized acoustic waveguide
- Patent number 5,218,653
- Issue date Jun 8, 1993
- Bell Communications Research, Inc.
- John J. Johnson
- G02 - OPTICS
Information Patent Grant
Adiabatic polarization splitter
- Patent number 5,133,029
- Issue date Jul 21, 1992
- Bell Communications Research, Inc.
- Jane E. Baran
- G02 - OPTICS
Information Patent Grant
Integrated acousto-optic filters and switches
- Patent number 5,002,349
- Issue date Mar 26, 1991
- Bell Communications Research, Inc.
- Kwok-Wai Cheung
- G02 - OPTICS