Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988197 | Package system for packaging and administering controlled dosages of chemical agents | Fred Simonsen, Karen Boyd | 2018-06-05 |
| 6069113 | Formulated copper algaecides | David J. Kierzkowski, Gang Wei | 2000-05-30 |
| 5306432 | Water purification | — | 1994-04-26 |