Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720518 | Process and apparatus for cutting or welding a workpiece | Richard W. Couch, Jr., Yong Yang, Zhipeng Lu, Robert C. Dean, Jr., Kenneth J. Woods +3 more | 2004-04-13 |
| 6713709 | Process and apparatus for cutting or welding a workpiece | Richard W. Couch, Jr., Yong Yang, Zhipeng Lu, Robert C. Dean, Jr., Kenneth J. Woods +3 more | 2004-03-30 |