Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128962 | Three-phase fluid flow measurement system and method | John D. Marrelli | 2000-10-10 |
| 5418614 | Optical photometry system for on-line analysis of fluid systems | Dale F. Brost, Gregory A. Winslow | 1995-05-23 |
| 5253321 | Means for inserting fiber optic probes into pressurized vessels | Stephen L. Long, David L. Gebert, Gregory A. Winslow, Dale F. Brost | 1993-10-12 |