Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368819 | Automated process chloride analyzer | Wm. Richard Dougherty | 1994-11-29 |
| 5260220 | Method and apparatus for monitoring impurities in a liquified hydrocarbon stream | W. Richard Dougherty | 1993-11-09 |