Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7270219 | Elevator display system | Dean L. Lacheur, Neil S. Lacheur | 2007-09-18 |
| 6981576 | Information display system | Dean L. Lacheur, Neil S. Lacheur | 2006-01-03 |
| 6622826 | Elevator information display system | Dean L. Lacheur, Neil S. Lacheur | 2003-09-23 |
| 6250428 | Information display system | Dean L. Lacheur, Neil S. Lacheur | 2001-06-26 |
| 6082500 | Information display system | Dean L. Lacheur, Neil S. Lacheur | 2000-07-04 |
| 5844181 | Information display system | Dean L. Lacheur, Neil S. Lacheur | 1998-12-01 |