Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796707 | Dual direction mixing impeller and method | Richard Howk | 2004-09-28 |
| 6796770 | Impeller and method using solid free form fabrication | Steve Hale | 2004-09-28 |
| 6746147 | Seal shaft shutoff device and method | Robert Blakley | 2004-06-08 |
| 6742923 | Seal shaft shutoff device and method | Robert Blakley | 2004-06-01 |