Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652414 | Elevator active guidance system having a coordinated controller | Randall Keith Roberts, Timothy M. Remmers | 1997-07-29 |
| 5617023 | Industrial contactless position sensor | — | 1997-04-01 |
| 5597988 | Control system for elevator active vibration control using spatial filtering | — | 1997-01-28 |