Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6050369 | Elevator shaftway intrusion device using optical imaging processing | Richard J. Leone, Joseph Vitiello, Thomas Brochhagan | 2000-04-18 |
| 5347094 | Elevator shaftway intrusion device | Richard J. Leone, Joseph Vitiello, Thomas Brochhagan | 1994-09-13 |
| 5283400 | Elevator shaftway intrusion device | Richard J. Leone, Joseph Vitiello, Thomas Brochhagan | 1994-02-01 |
| 5025895 | Elevator car top intrusion device | Richard J. Leone, Joseph Vitiello, Thomas Brochhagan | 1991-06-25 |