| Owner | Filings | Most Recent |
|---|---|---|
| COLUMBIA UNIVERSITY | 4 | 03/21/2026 |
| Trustees of Columbia University | 3 | 03/22/2026 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| BIS | OT | ISSUED | COLUMBIA UNIVERSITY | 04/21/2010 |
| BIS | OT | ISSUED | COLUMBIA UNIVERSITY | 12/04/2009 |
| BIS | EQ | ISSUED | ROCKLEDGE SCAFFOLD CORP | 12/14/2006 |
| BIS | FB | ISSUED | PAT SEMENTA PLBG&HTG CO.I | 11/17/2006 |
| BIS | EQ | ISSUED | ROCKLEDGE SCAFFOLD CORP | 03/31/2006 |