Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819877 | Elevator evacuation deterrent device | James A. Rivera, Richard E. Kulak, Michael J. Tracey, Valery Sheynkman, Duane R. Stupienski | 1998-10-13 |
| 5792294 | Method of replacing sheave liner | John Randazzo, John D. Barrett, Christopher J. Elliott, David Wayne Mckee, Hugh J. O'Donnell +1 more | 1998-08-11 |