Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592296 | Sealing assembly for tunnel construction sections | Holger Gutschmidt, Dieter Kassel | 2003-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592296 | Sealing assembly for tunnel construction sections | Holger Gutschmidt, Dieter Kassel | 2003-07-15 |