Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8015970 | Respirator, welding helmet, or face shield that has low surface energy hard-coat lens | Thomas P. Klun, Gerald R. Hofmann, Andrew S. Viner, Oscar S. Benz, Suresh S. Iyer +3 more | 2011-09-13 |
| 7897678 | Fluorochemical urethane compounds having pendent silyl groups | — | 2011-03-01 |