| 1 | General Power of Attorney | 08 Aug 1992 |
| 2 | Covering Letter | 11 Dec 1995 |
| 3 | TM-1 | 13 Dec 1995 |
| 4 | File Cover | 13 Dec 1995 |
| 5 | Correspondence | 13 Feb 2001 |
| 6 | Correspondence | 24 Mar 2001 |
| 7 | Journal Copy | 14 Jul 2003 |
| 8 | Certificate | 09 Feb 2005 |
| 9 | Certificate | 11 Sep 2015 |
| 10 | Renewal Certificate | 11 Sep 2015 |
| 11 | TM-12 | 11 Sep 2015 |
| 12 | Renewal Certificate | 25 Sep 2015 |