Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241762 | Composite underground fluid conduit of concrete and steel sections | Heinz-Joachim Link, Heinz Lendla | 1980-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241762 | Composite underground fluid conduit of concrete and steel sections | Heinz-Joachim Link, Heinz Lendla | 1980-12-30 |