Robert L. Stevens

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Towanda, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Single-component white-emitting electroluminescent phosphor and met...
- Patent number 6,770,221
- Issue date Aug 3, 2004
- Osram Sylvania Inc.
- Xianzhong Chen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
High brightness orange-yellow-emitting electroluminescent phosphor...
- Patent number 6,682,664
- Issue date Jan 27, 2004
- Osram Sylvania Inc.
- Xianzhong Chen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...