Johannes Martinus van Deursen

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Middleburg, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device for storing and/or treating chemicals
- Patent number 6,733,731
- Issue date May 11, 2004
- SGT Exploitatie B.V.
- Johannes Martinus Petrus van Deursen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for cutting a glass duct, such as a gas chromatography colum...
- Patent number 6,708,857
- Issue date Mar 23, 2004
- SGT Explotitatie B.V.
- Johannes Martinus van Deursen
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Device for storing and/or treating chemicals
- Patent number 6,475,443
- Issue date Nov 5, 2002
- SGT Exploitatie B.V.
- Johannes Martinus Petrus van Deursen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Gas chromatograph apparatus
- Patent number 6,035,697
- Issue date Mar 14, 2000
- SGT Exploitatie B.V.
- Martinus Frans van der Maas
- G01 - MEASURING TESTING
Information Patent Grant
Gas Chromatograph apparatus
- Patent number 5,889,197
- Issue date Mar 30, 1999
- SGT Explotaitie B.V.
- Martinus Frans van der Maas
- G01 - MEASURING TESTING