Martin Wessner

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Moerlenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Instructional architecture for collaborative e-learning
- Patent number 7,369,808
- Issue date May 6, 2008
- SAP Aktiengesellschaft
- Martin Wessner
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Instructional architecture for collaborative e-learning
- Publication number 20030194690
- Publication date Oct 16, 2003
- Martin Wessner
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS