Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609692 | Method of removing chloride ion or a compound thereof from a surface contaminated therewith | James R. Johnson, Jerry J. Colahan | 1997-03-11 |
| 5342510 | Water control system using oxidation reduction potential sensing | Jerome H. Ludwig | 1994-08-30 |
| 5332494 | Water control system using oxidation reduction potential sensing | Jerome H. Ludwig | 1994-07-26 |
| 5268092 | Two water control system using oxidation reduction potential sensing | — | 1993-12-07 |