Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951954 | Method for manufacturing clear brine fluids from impure zinc feedstock | Paul O. Wayland, David J. Hanlon | 1999-09-14 |
| 5290531 | Method of making ammonium bromide and calcium bromide | Surendra K. Mishra, Rosa Swartwout | 1994-03-01 |