Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478123 | Hydraulic elevator with plunger brakes | Andrew Ernest Werner | 2002-11-12 |
| 6179094 | Hydraulic elevator with plunger brakes | Andrew Ernest Werner | 2001-01-30 |
| 5224580 | Power transmission system for a passenger conveyor | Thomas Nurnberg | 1993-07-06 |
| 5115900 | Handrail air cushion | Thomas Nurnberg, Kenneth J. Smith | 1992-05-26 |