Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801388 | Modified acrylamide polymers used as scale inhibitors | Dodd W. Fong, John E. Hoots | 1989-01-31 |
| 4800492 | Data logger for a post-mix beverage dispensing system | Dave Conklin | 1989-01-24 |