Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932795 | Positive flow valve | George A. Lopez, Thomas F. Fangrow, David Arnold, Bruce Hubrecht, Thomas Gustus +1 more | 2005-08-23 |
| 6428520 | Positive-flow valve | George A. Lopez, Thomas F. Fangrow, David Arnold, Bruce Hubrecht, Thomas Gustus +1 more | 2002-08-06 |