Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457035 | Suspension bridge and method of erecting same | Ernst Lauber | 1984-07-03 |
| 4448393 | Apparatus for pulling in and letting out a cable | Ernst Lauber | 1984-05-15 |
| 4402272 | Rail-transportation system | — | 1983-09-06 |