Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7108227 | Insulation package and use thereof | Hartwig Kunzel, Andreas Holm | 2006-09-19 |
| 7008890 | Vapor barrier for use in the thermal insulation of buildings | Hartwig Kunzel | 2006-03-07 |
| 6890666 | Vapor barrier for use in the heat insulation of buildings | Hartwig Kunzel | 2005-05-10 |
| 6878455 | Vapor barrier for use in the heat insulation of buildings | Hartwig Kunzel | 2005-04-12 |
| 6808772 | Vapor barrier for use in the heat insulation of buildings | Hartwig Kunzel | 2004-10-26 |