Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948585 | Acoustic wave attenuator for a rail | Ning Lei, Xilin Yang, Kenneth R. Seymour, II, W. Bryan Snyder, Sidi Ould Sadfa +1 more | 2005-09-27 |
| 6905002 | Acoustic wave attenuator for a rail | Xilin Yang, Kenneth R. Seymour, II, W. Bryan Snyder, Sidi Ould Sadfa, Ning Lei +1 more | 2005-06-14 |
| 6742504 | Pressure wave attenuator for a rail | Kenneth R. Seymour, II, Sidi Ould Sadfa, Ning Lei, James Henry Yager, Xilin Yang +1 more | 2004-06-01 |