Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644111 | Elevator hatch door monitoring system | Bohuslav Cerny, John Ashton, Domenico Vitulli | 1997-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644111 | Elevator hatch door monitoring system | Bohuslav Cerny, John Ashton, Domenico Vitulli | 1997-07-01 |