Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318762 | Process for treating aqueous solutions of hydroxylamine salts containing excess acid | David W. Cawlfield, Sanders H. Moore, Elizabeth K. Walter | 1994-06-07 |
| 5185693 | Method and apparatus for providing backup process control | David W. Cawlfield | 1993-02-09 |
| 5023803 | Process to control the addition of carbonate to electrolytic cell brine systems | David D. Justice | 1991-06-11 |