Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5084181 | Enrichment of water in components of heavy water | W. Alexander Van Hook, Andrzej G. Chmielewski, Grazyna Zakrzewska-Trznadel | 1992-01-28 |
| 5057225 | Method of enrichment of oxygen-18 in natural water | W. Alexander Van Hook, Andrzej G. Chmielewski, Grazyna Zakrzewska-Trznadel | 1991-10-15 |