Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025765 | Method of manufacturing a multiple layer directionally oriented nonwoven fiber material | Darrell Heine, John J. Andrews, Louis T. Hahn, Matti Kiik | 2011-09-27 |
| 8012310 | Method of manufacturing a multiple layer directionally oriented nonwoven fiber material | Darrell Heine, John J. Andrews, Louis T. Hahn, Matti Kiik | 2011-09-06 |
| 8006457 | Enhanced multi-layered shingle | Jesse Alvin Binkley, Perry J. Prudhomme, Frank M. Bartolic, Louis T. Hahn, Daniel C. DeJarnette +5 more | 2011-08-30 |