Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464263 | Connector for a corrugated pipe with locking portion | Roger Huppi | 2002-10-15 |
| 6349980 | Joining/connector piece for corrugated pipes | Ralf Kleeb | 2002-02-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464263 | Connector for a corrugated pipe with locking portion | Roger Huppi | 2002-10-15 |
| 6349980 | Joining/connector piece for corrugated pipes | Ralf Kleeb | 2002-02-26 |