Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157192 | Method for producing a slab trackway | Peter Laborenz, Anabel Hengelmann | 2015-10-13 |
| 4235327 | Escalator with driver device for carrying of transportation carts | Helmut Heusler | 1980-11-25 |