Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223680 | Measuring elevator car position using ultrasound | Claudia M. Schmidt-Milkau, Rolf E. Hanitsch | 1993-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223680 | Measuring elevator car position using ultrasound | Claudia M. Schmidt-Milkau, Rolf E. Hanitsch | 1993-06-29 |