Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6311850 | Pressure screening apparatus for screening a paper stock suspension and screen clearer for such a screening apparatus | Josef Bruckner, Gerhard Veh | 2001-11-06 |
| 5019194 | Method for manufacturing a web of plastic turf for sports grounds | — | 1991-05-28 |
| 4755401 | Artificial turf with playing field markings | Otfried von Kries | 1988-07-05 |
| 4735825 | Method of applying and bonding free-flowing bulb material to artificial grass | — | 1988-04-05 |
| 4535021 | Backing mat for a ground covering, preferably for a water-permeable artificial grass, as well as a method for its production | — | 1985-08-13 |
| 4477299 | Method of bonding a floor-covering web with a backing web | — | 1984-10-16 |
| 4444815 | Water permeable ground covering for open spaces | — | 1984-04-24 |