Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314527 | Mercury contaminated mud treatment | Larry G. Twidwell | 1994-05-24 |
| 5209774 | Hydrometallurgical process for treating mercury contaminated muds | Larry G. Twidwell | 1993-05-11 |
| 5051191 | Method to detoxify sewage sludge | Hans W. Rasmussen | 1991-09-24 |
| 4569676 | Separation and purification of salts in a non-convective solar pond | Godefridus M. Swinkels, Abraham Sadan, Hans Rensing | 1986-02-11 |
| 4564508 | Process for the recovery of sodium carbonate from salt mixtures | Michael J. Fairweather, Abraham Sadan, Godefridus M. Swinkels | 1986-01-14 |