Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817152 | Fiber mats for materials of construction having improved tear strength and process for making same | Qinyun Peng | 2004-11-16 |
| 6737369 | Cured non-woven mat of a mixture of fibers | Qinyun Peng, Bill Bittle, Betty Roberts, Mark McAteer | 2004-05-18 |
| 6706147 | Process for making fiber mats for materials of construction having improved tear strength | Qinyun Peng | 2004-03-16 |