Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851277 | Composite matting with reinforcement | Brand C. Valkenburg, Stephanus A. G. de Graaf, Joachim Bohler | 1989-07-25 |
| RE31599 | Low density matting and process | Alfred Rasen, Klemens Schenesse | 1984-06-12 |
| 4342807 | Low density matting and process | Alfred Rasen, Klemens Schenesse, Joachim Behnke | 1982-08-03 |
| 4252590 | Low density matting and process | Alfred Rasen, Klemens Schenesse | 1981-02-24 |
| 4212692 | Matting article with process and apparatus for its production | Alfred Rasen, Klemens Schenesse | 1980-07-15 |
| 4212915 | Mat material of melt-spun polymeric filaments having discontinuous cavities | Karl Ostertag | 1980-07-15 |
| 4181450 | Erosion control matting | Alfred Rasen, Klemens Schenesse | 1980-01-01 |