| 1 | Journal Copy | 19 Jul 1990 |
| 1 | TM-1 | 19 Jul 1990 |
| 2 | Additional Representation Sheet | 19 Jul 1990 |
| 2 | Certificate | 19 Jul 1990 |
| 3 | Journal Copy | 19 Jul 1990 |
| 3 | TM-1 | 19 Jul 1990 |
| 4 | Additional Representation Sheet | 19 Jul 1990 |
| 4 | Certificate | 19 Jul 1990 |
| 5 | Additional Representation Sheet | 12 Jun 1994 |
| 1 | O3 NOTICE | 1155067 | 792709 | 22 Apr 2014 |
| 2 | RENEWAL NOTICE | 4523212 | 09 Feb 2017 | |
| 3 | O3 NOTICE | 18324851 | 6771560 | 15 Jun 2024 |