Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423108 | Air filter for an internal combustion engine | — | 2002-07-23 |
| 6350788 | Low-foam surfactant concentrates for use in the domain of plant growth stimulation | Claus-Peter Herold, Stephan von Tapavicza, Heinz Boettcher | 2002-02-26 |