Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904833 | Method and apparatus for measuring the content of dissolved carbon dioxide in an aqueous medium | George P. Olson | 1999-05-18 |
| 5431789 | Determination of organic compounds in water | Ben S. Hui | 1995-07-11 |
| 4975560 | Apparatus for powering the corrosion protection system in an electric water heater | Daher T. Wardy, Timothy H. Houle, James L. Chevalier | 1990-12-04 |
| 4391775 | Method of and system for determining particular species of chlorine in a water sample | Karl G. Schick, Joel Coburn | 1983-07-05 |
| 4322215 | Method for determining particular species of chlorine in a water sample | Karl G. Schick, Joel Coburn | 1982-03-30 |
| 4183791 | Method of forming amperometric sensor with transition metal oxide/hydroxide electrodes | Karl G. Schick | 1980-01-15 |