Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685003 | Pulse-free escalator | George Scott Copeland, Timothy Galante, Robert Hammell | 2004-02-03 |
| 6685004 | Escalator drive machine | Charles W. Darling, III | 2004-02-03 |
| 6672013 | Method of installing elevator rails | Thomas E. Glassey, Leandre Adifon, Thomas E. Landry, Bruce P. Swaybill, Jim Rivera +1 more | 2004-01-06 |