Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7001475 | Film structures and methods of making film structures | Ronald W. Ausen, Hak-Rhim Han, David W. Hegdahl | 2006-02-21 |
| 6586073 | Films having a microfibrillated surface and method of making | Mario A. Perez, Michael D. Swan | 2003-07-01 |
| 6331343 | Films having a fibrillated surface and method of making | Mario A. Perez, Michael D. Swan | 2001-12-18 |
| 6219121 | Wide angle optical retarder | Hassan Sahouani, Gary T. Boyd, Ramesh C. Kumar | 2001-04-17 |
| 5867239 | Wide angle optical retarder | Hassan Sahouani, Gary T. Boyd, Ramesh C. Kumar | 1999-02-02 |