Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380017 | Sealing ring for sealing against fluid flow in either direction between inner and outer pipes | Ewout Leeuwenburg | 1995-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380017 | Sealing ring for sealing against fluid flow in either direction between inner and outer pipes | Ewout Leeuwenburg | 1995-01-10 |