Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585996 | Instrument for measuring electrical conductivity of a liquid | — | 1986-04-29 |
| 4519710 | Colorimeter | Ross A. Quinn, Leroy S. Rowley | 1985-05-28 |
| 4506226 | Ion concentration monitor | Ross A. Quinn | 1985-03-19 |