Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6851240 | Shingle tear strength with fiber mixture of different fibers | Qinyun Peng, Krishna Srinivasan, Bill Bittle, Betty Roberts | 2005-02-08 |
| 6737369 | Cured non-woven mat of a mixture of fibers | Qinyun Peng, Krishna Srinivasan, Bill Bittle, Betty Roberts | 2004-05-18 |