Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272345 | Calibration method and apparatus for measuring the concentration of components in a fluid | Michael D. Durham, Francis J. Sagan | 1993-12-21 |
| 5070246 | Spectrometer for measuring the concentration of components in a fluid stream and method for using same | Michael D. Durham, Donald H. Stedman, Timothy George Ebner | 1991-12-03 |