Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436510 | Low-flammability shingle | Bertrand Weiter | 2002-08-20 |
| 6197707 | Flame-retarding support inlay with improved adhesion | Bertrand Weiter, Hans-Jurgen Profe, Monika Nagl | 2001-03-06 |
| 5283106 | Nonwoven material of two or more layers, in particular with long-term filter properties and manufacture thereof | Kurt Seiler | 1994-02-01 |
| 5171629 | Flame-resistant carrier web for bitumen webs and a process for its production | Wilhelm Adam | 1992-12-15 |
| 4657801 | Nonwoven with fibrous coating | Franz Kaulich, Heinz Artus | 1987-04-14 |
| 4397337 | Tubular casing suitable for foodstuffs and process for its manufacture | Herbert Porrmann, Karl Stenger | 1983-08-09 |