Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403665 | Rigid polyurethane foams | Thomas Heinrich Sieker, Saskia Rachel Walraedt | 2002-06-11 |
| 6346205 | Rigid polyurethane foams | Thomas Heinrich Sieker | 2002-02-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403665 | Rigid polyurethane foams | Thomas Heinrich Sieker, Saskia Rachel Walraedt | 2002-06-11 |
| 6346205 | Rigid polyurethane foams | Thomas Heinrich Sieker | 2002-02-12 |