Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615907 | Stadium with ice rink channel system for heating and/or cooling | — | 2003-09-09 |
| 6421969 | Device forming a partition between storeys | — | 2002-07-23 |
| 6398455 | Method for stratified construction and heating a grass pitch, particularly a football ground, and a grass playing field built up in accordance with the method | — | 2002-06-04 |