Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D691962 | Holdout tube | — | 2013-10-22 |
| 6629831 | Apparatus for altering the physical properties of fluids | Coach K. Wei | 2003-10-07 |
| 6293754 | Method and apparatus for altering the physical properties of fluids | Coach K. Wei | 2001-09-25 |