Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP15967 | Rhododendron rootstock named ‘Rhodunter 48’ | Walter Preil | 2005-09-20 |
| PP15940 | Rhododendron rootstock named ‘Rhodunter 37’ | Walter Preil | 2005-09-06 |
| 6151764 | Apparatus for the singeing of threads | — | 2000-11-28 |
| 5765267 | Singeing machine | — | 1998-06-16 |
| 5745966 | Singeing device | Walter Osthoff | 1998-05-05 |
| 5727937 | Burner unit for the singeing of flat textile structures | Walter Osthoff | 1998-03-17 |
| PP9265 | Rhododendron Rhodunter 10 | Walter Preil | 1995-08-29 |