Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31599 | Low density matting and process | Rolf Vollbrecht, Klemens Schenesse | 1984-06-12 |
| 4342807 | Low density matting and process | Rolf Vollbrecht, Klemens Schenesse, Joachim Behnke | 1982-08-03 |
| 4252590 | Low density matting and process | Rolf Vollbrecht, Klemens Schenesse | 1981-02-24 |
| 4212692 | Matting article with process and apparatus for its production | Rolf Vollbrecht, Klemens Schenesse | 1980-07-15 |
| 4181450 | Erosion control matting | Rolf Vollbrecht, Klemens Schenesse | 1980-01-01 |