| 1 | TM-1 | 28 Aug 1997 |
| 2 | Correspondence | 02 Apr 2012 |
| 3 | Correspondence | 23 Apr 2012 |
| 4 | Correspondence | 06 Feb 2013 |
| 5 | Correspondence | 07 Feb 2013 |
| 6 | Correspondence | 08 Feb 2013 |
| 7 | Correspondence | 16 Sep 2013 |
| 8 | TM-50 | 31 Jan 2017 |
| 9 | TM-12 | 01 Mar 2017 |
| 1 | RENEWAL NOTICE | 4679743 | 03 Apr 2017 |