Joachim Cramm

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Wuppertal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for the optical measurement of coating layers
- Patent number 6,292,264
- Issue date Sep 18, 2001
- E. I. Du Pont de Nemours and Company
- Christian Voyé
- G01 - MEASURING TESTING
Information Patent Grant
Method for the characterization of lacquer coated plastic surfaces
- Patent number 6,144,454
- Issue date Nov 7, 2000
- Herberts GmbH
- Paul Rupieper
- G01 - MEASURING TESTING
Information Patent Grant
Method and an apparatus for the characterisation of lacquered surfaces
- Patent number 5,991,042
- Issue date Nov 23, 1999
- Herberts GmbH
- Paul Rupieper
- G01 - MEASURING TESTING