Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6990781 | Decking assembly with an interlocking seam structure | — | 2006-01-31 |
| 6891025 | Modified cytokine receptor protein | Gunnar Norstedt | 2005-05-10 |
| 5431156 | Combined half-mask and hood type protective respiratory device | — | 1995-07-11 |