Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10935380 | Leveling tool | — | 2021-03-02 |
| 8506688 | Gas chromatographic device | Jaap De Zeeuw, Scott L. Grossman | 2013-08-13 |
| 7867325 | Gas chromatographic device | Brian A. Jones, Jaap De Zeeuw, Scott L. Grossman | 2011-01-11 |