Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D478913 | Manifold header | Warren Thomas Johnson, David John Cox, Leon Keith Ernst, Bruce Gregory Biltoft, Gary William Stollery +1 more | 2003-08-26 |
| 6555005 | Scouring method | Fufang Zha, Clinton V. Kopp, Warren Thomas Johnson, Thomas William Beck | 2003-04-29 |