Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668386 | Water quality monitor | Jeffrey G. Franks | 1987-05-26 |
| 4490249 | Microcomputer controlled demand/scheduled water softener | — | 1984-12-25 |
| 4469602 | Microcomputer controlled demand/scheduled water softener having automatic resin bed sensing | — | 1984-09-04 |
| 4426294 | Microcomputer controlled demand/scheduled water softener | — | 1984-01-17 |