Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357997 | Elevator system | Michael J. Dynak | 1982-11-09 |
| 4331220 | Elevator system | — | 1982-05-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357997 | Elevator system | Michael J. Dynak | 1982-11-09 |
| 4331220 | Elevator system | — | 1982-05-25 |