Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942067 | Portable emergency drive for an elevator | Heinrich Kuttel | 2005-09-13 |
| 6889959 | Actuating device for emergency operation of a gearless drive machine of an elevator | — | 2005-05-10 |