Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5431252 | Method for digital recording and graphic presentation of the combined performances of elevator cars | — | 1995-07-11 |
| 4352664 | Simulator having two independently servo-controlled projection systems | Stanley R. E. Dixon, Arthur G. Barnes | 1982-10-05 |