Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822744 | System and method for detecting contaminants in a steam power generating system | — | 1989-04-18 |
| 4801551 | Rugged dissolved carbon dioxide monitor for high purity water | William A. Byers, Gerald L. Carlson | 1989-01-31 |