Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319431 | Preservative and fire retardant composition and combination and process | Wilhelm Eduard Conradie | 2001-11-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319431 | Preservative and fire retardant composition and combination and process | Wilhelm Eduard Conradie | 2001-11-20 |