Bernard Wittwer

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Puidoux, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method and computing system for creating and displaying images with...
- Patent number 7,623,739
- Issue date Nov 24, 2009
- Ecole Polytechnique Federale de Lausanne (EPFL)
- Roger D. Hersch
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Images incorporating microstructures
- Patent number 7,027,660
- Issue date Apr 11, 2006
- Ecole Polytechnique Federale de Lausanne (EPFL)
- Roger David Hersch
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
Images incorporating microstructures
- Publication number 20050052705
- Publication date Mar 10, 2005
- Roger David Hersch
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Method and computing system for creating and displaying images with...
- Publication number 20030026500
- Publication date Feb 6, 2003
- Roger D. Hersch
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Images and security documents protected by micro-structures
- Publication number 20030021437
- Publication date Jan 30, 2003
- Roger David Hersch
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER