Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8141693 | Combined traffic flow and maintenance information display for a passenger conveyor | Frank Sansevero, Ralph S. Stripling, Scott Ashworth, Bernward Engelke, Qingdong Jiang +1 more | 2012-03-27 |
| 7249667 | Traffic flow indicator for a passenger conveyor | Frank Sansevero, Ralph S. Stripling, Bernward Engelke, Thomas Swyst, Alexander Mueller | 2007-07-31 |
| D475831 | Escalator handrail entry | Frank Sansevero, Thomas Swyst, Charles W. Darling, III | 2003-06-10 |