Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362313 | Coating composition and its use | Lutz Hoppe, Erhard Luhmann, Reinhard Nader | 1994-11-08 |
| 5352730 | Coating system for materials which swell in water | Erhard Luhmann, Lutz Hoppe, Klaus Szablikowski, Gunter Weber, Sebastian Meyer-Stork | 1994-10-04 |