| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| BIS | PL | ISSUED | COOPER MECHANICAL CO | 01/11/2005 |
| BIS | EQ | ISSUED | CENTRAL DEVELOPMENT CORP | 01/10/2005 |
| BIS | PL | ISSUED | AMC PLBG, HTG & CLNG, INC | 10/08/2004 |
| BIS | PL | ISSUED | AMC PLBG, HTG & CLNG, INC | 10/08/2004 |
| BIS | OT | ISSUED | CENTRAL DEVELOPMENT CORP | 10/04/2004 |
| BIS | EQ | ISSUED | CENTRAL DEVELOPMENT CORP | 08/27/2004 |
| BIS | — | ISSUED | CENTRAL DEVELOPMENT CORP | 08/24/2004 |
| BIS | OT | ISSUED | N/A | 08/02/1996 |