| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| BIS | PL | ISSUED | BLAU MECHANICAL CORP. | 04/09/2001 |
| BIS | PL | ISSUED | BLAU MECHANICAL CORP. | 04/09/2001 |
| BIS | — | ISSUED | L. RISO & SONS CO., INC | 11/15/2000 |
| BIS | OT | ISSUED | L. RISO & SONS CO., INC | 05/04/2000 |
| BIS | PL | ISSUED | BLAU MECHANICAL CORP. | 12/21/1999 |
| BIS | PL | ISSUED | BLAU MECHANICAL CORP. | 12/21/1999 |
| BIS | — | ISSUED | L. RISO & SONS CO., INC | 11/15/1999 |