Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922559 | Method and apparatus for determining nutrient stimulation of biological processes | Frederick S. Colwell, Gill G. Geesey, Richard J. Gillis | 1999-07-13 |
| 5686299 | Method and apparatus for determining nutrient stimulation of biological processes | Frederick S. Colwell, Gill G. Geesey, Richard J. Gillis | 1997-11-11 |