Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824593 | Antifoam ingredient | Peter Willem Appel, Francois Delwel, Fredrik Hornung, Alan Digby Tomlinson, Simon Willemse | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824593 | Antifoam ingredient | Peter Willem Appel, Francois Delwel, Fredrik Hornung, Alan Digby Tomlinson, Simon Willemse | 1989-04-25 |