| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| BIS | — | ISSUED | WEI YUNG LOO | 05/08/2002 |
| BIS | — | ISSUED | WEI YOUNG LOO | 05/23/2001 |
| BIS | — | ISSUED | WEI YOUNG LOO | 04/26/2001 |
| BIS | — | ISSUED | WEI YUNG LOO | 07/19/1999 |
| BIS | EQ | ISSUED | SACCO CONSTRUCTION CO INC. | 08/28/1989 |
| BIS | — | ISSUED | SACCO CONSTRUCTION CO INC. | 08/28/1989 |