Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631452 | System for position loss recovery for an elevator car | Christopher Pietrzykowski, Jeffrey M. Izard | 1997-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631452 | System for position loss recovery for an elevator car | Christopher Pietrzykowski, Jeffrey M. Izard | 1997-05-20 |