Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685002 | Method of escalator modernization | Thomas Nurnberg, ANDREW C. DOCHTERMAN | 2004-02-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685002 | Method of escalator modernization | Thomas Nurnberg, ANDREW C. DOCHTERMAN | 2004-02-03 |