Steven J. Hansen

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Pudong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for dental shade measurement
- Patent number 7,522,322
- Issue date Apr 21, 2009
- Carestream Health, Inc.
- Douglass L. Blanding
- G01 - MEASURING TESTING
Information Patent Grant
Ring light guide
- Patent number 7,127,163
- Issue date Oct 24, 2006
- Eastman Kodak Company
- Junwon Lee
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Ring light guide
- Publication number 20060039692
- Publication date Feb 23, 2006
- Junwon Lee
- G02 - OPTICS