Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300660 | Elevator door motion reversal | J. Mark Deric | 1981-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300660 | Elevator door motion reversal | J. Mark Deric | 1981-11-17 |