Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887013 | Device for treating soils or road surfaces | Herbert Ley, Peter Busley | 2005-05-03 |
| 6565281 | Device for paving roadways and device for producing foamed bitumen | Thomas Bruns, Siegbert Dittmann | 2003-05-20 |