Soemantri Widagdo

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Woodlands District, SG

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Patents Grantslast 30 patents

Information Patent Grant
Retroreflective articles and devices having viscoelastic lightguide
- Patent number 8,651,720
- Issue date Feb 18, 2014
- 3M Innovative Properties Company
- Audrey A. Sherman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL CONSTRUCTION AND DISPLAY SYSTEM INCORPORATING SAME
- Publication number 20120039089
- Publication date Feb 16, 2012
- 3M INNOVATIVE PROPERTIES COMPANY
- Encai Hao
- G02 - OPTICS
Information Patent Application
RETROREFLECTIVE ARTICLES AND DEVICES HAVING VISCOELASTIC LIGHTGUIDE
- Publication number 20110182076
- Publication date Jul 28, 2011
- Audrey A. Sherman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
VISCOELASTIC LIGHTGUIDE
- Publication number 20110176325
- Publication date Jul 21, 2011
- 3M Innovative Properties Company
- Audrey A. Sherman
- G02 - OPTICS