Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351199 | Programmable water treatment controller for progressive flow systems | Robert W. Colburn | 1994-09-27 |
| 5060167 | Electronic programmable water treatment controller | Robert W. Colburn, Richard V. Baxter, Jr. | 1991-10-22 |