Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4793441 | Elevator car system with three guide rails | Janis J. Cilderman | 1988-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4793441 | Elevator car system with three guide rails | Janis J. Cilderman | 1988-12-27 |