Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785454 | Protective body/cover to be placed over discharge openings on pipes for the underground supply of water and air | Anne-Lise Ringdal | 1998-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785454 | Protective body/cover to be placed over discharge openings on pipes for the underground supply of water and air | Anne-Lise Ringdal | 1998-07-28 |