Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689975 | Petroleum well tracer release flow shunt chamber | Fridtjof Nyhavn, Christian ANDRESEN | 2020-06-23 |
| 9896913 | Petroleum well tracer release flow shunt chamber | Fridtjof Nyhavn, Christian ANDRESEN | 2018-02-20 |