Volker Leonhard

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Kriftel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Solid electrolyte sensor for measuring gaseous anhydrides
- Patent number 6,203,678
- Issue date Mar 20, 2001
- Heraeus Electro-Nite International N.V.
- Volker Leonhard
- G01 - MEASURING TESTING
Information Patent Grant
Process for producing the ion-sensitive probe electrode of a heavy-...
- Patent number 5,262,205
- Issue date Nov 16, 1993
- Battelle-Institut e.V.
- Volker Leonhard
- G01 - MEASURING TESTING
Information Patent Grant
Electrochromic system
- Patent number 5,260,821
- Issue date Nov 9, 1993
- Schuco International KG
- Wing F. Chu
- G02 - OPTICS