Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308719 | Pre-clean deluge system | John McTighe, Derek E. Heath, Shawn Guthrie, Gene Hunt | 2001-10-30 |
| 6296000 | Pre-clean deluge system | John McTighe, Derek E. Heath, Shawn Guthrie, Gene Hunt | 2001-10-02 |