Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275957 | Instrument and method for measurement of the organic carbon content of water | Frederick K. Blades, Paul Charles Melanson | 1994-01-04 |
| 5227135 | Apparatus for simultaneous measurement of sulfur and non-sulfur containing compounds | Neil Johansen, Donald H. Stedman | 1993-07-13 |
| 5132094 | Method and apparatus for the determination of dissolved carbon in water | Paul K. Kosenka, Richard Hutte | 1992-07-21 |
| 5047212 | Instrument for measurement of the organic carbon content of water | Frederick K. Blades | 1991-09-10 |
| 4868127 | Instrument for measurement of the organic carbon content of water | Frederick K. Blades | 1989-09-19 |
| 4666860 | Instrument for measurement of the organic carbon content of water | Frederick K. Blades | 1987-05-19 |
| 4626413 | Instrument for measurement of the organic carbon content of water | Frederick K. Blades | 1986-12-02 |