Thomas Wilhemus Engelen

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Alkmaar, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a stamper for producing optical discs, a st...
- Patent number RE39434
- Issue date Dec 19, 2006
- OTB Group B.V.
- Thomas Wilhemus Engelen
- 430 - Radiation imagery chemistry: process, composition, or product thereof