Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945705 | Stiffening for box girders or beams | Juergen Schmitt | 1990-08-07 |
| 4385562 | Traveling crane with top girders at the end of a bridge girder | Harald Bitsch, Klaus Donner, Rainer Horbach | 1983-05-31 |