Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662655 | Pipe connection of fibre reinforced plastic pipe parts | Oege R. Offringa | 1987-05-05 |
| 4569710 | Process for manufacturing the inner tube element for a double tube coring apparatus | Honore J. Lambot, Pieter Jacob Kramer | 1986-02-11 |