Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404915 | Multilayer plastic pipe | Joachim Mugge, Stefan Rober, Hans-Dieter Herrmann | 1995-04-11 |
| 5313987 | Multilayer plastic pipe comprising an outer polyamide layer and a layer of a molding formed from a mixture of thermoplastic polyester and a compound having at least two isocyanate groups | Stefan Rober, Joachim Mugge, Roland Feinauer, Hans Jadamus, Hans-Dieter Herrmann | 1994-05-24 |
| 5049196 | Method of wetting a cement or gypsum-bonded fibrous mixture of building materials | — | 1991-09-17 |