Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9715673 | System and method for managing replacement of consumables including recyclable gas purifiers | Adriaan Frans van der Maas, Marinus Frans van der Maas | 2017-07-25 |
| 6035697 | Gas chromatograph apparatus | Johannes Marinus Petrus van Deursen, Ewie de Kuyper | 2000-03-14 |
| 5889197 | Gas Chromatograph apparatus | Johannes Marinus Petrus van Deursen, Ewie de Kuyper | 1999-03-30 |
| 5837038 | Closing element intended for closing off an end of a capillary gas chromatography column | — | 1998-11-17 |