Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668015 | Method for measuring organics levels in an aquarium | — | 1997-09-16 |
| 5632887 | Fluidized bed aquarium filter | Robert H. Hyde | 1997-05-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668015 | Method for measuring organics levels in an aquarium | — | 1997-09-16 |
| 5632887 | Fluidized bed aquarium filter | Robert H. Hyde | 1997-05-27 |