Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211469 | Aquarium lighting system | John D. Matthias, Roger W. Peterson | 1993-05-18 |
| 5165778 | Aquarium lighting system | John D. Matthias, Roger W. Peterson | 1992-11-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211469 | Aquarium lighting system | John D. Matthias, Roger W. Peterson | 1993-05-18 |
| 5165778 | Aquarium lighting system | John D. Matthias, Roger W. Peterson | 1992-11-24 |