Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976703 | Regulator apparatus having a charging valve assembly and a flow multiplier assembly | Richard Wilfrid Wray | 2018-05-22 |
| 8826751 | Circumferential sampling tool | Richard Wilfrid Wray | 2014-09-09 |