Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7045182 | Sulphur dioxide generators | Petrus Johannes Van Der Westhuyzen, Pieter Johannes Van Der Merwe | 2006-05-16 |
| 5106596 | Laminated sulphur dioxide generators | — | 1992-04-21 |