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Patents Grantslast 30 patents

Information Patent Grant
Planar polymeric waveguide devices with temperature dependence cont...
- Patent number 6,684,019
- Issue date Jan 27, 2004
- E. I. Du Pont de Nemours and Company
- Robert A. Norwood
- G02 - OPTICS
Information Patent Grant
Fabrication of difraction gratings for optical signal devices and o...
- Patent number 6,023,545
- Issue date Feb 8, 2000
- AlliedSignal Inc.
- Louay Eldada
- G02 - OPTICS