Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4384275 | High resolution and wide range shaft position transducer systems | Ralph J. Meehan, Joris Schroeder | 1983-05-17 |
| 4256203 | Self-adjusting elevator leveling apparatus and method | — | 1981-03-17 |
| 4245721 | Floor distance sensor for an elevator car | — | 1981-01-20 |