Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10962806 | Blue edge filter optical lens | Michael F. Weber, James E. Watson, Stephen A. Johnson, Chad R. Wold | 2021-03-30 |
| 9885885 | Blue edge filter optical lens | Michael F. Weber, James E. Watson, Stephen A. Johnson, Chad R. Wold | 2018-02-06 |
| 5997645 | Inserts for stripe coating | Kai Grimmel | 1999-12-07 |
| 5626671 | Cross flow knife coater for applying a coating to a web | Kai Grimmel, Klaus Schmehl, Norbert J. Wallraff | 1997-05-06 |
| 5612092 | Knife coating method using ascension of the fluid by its tension | Robert B. Secor, Bernhard Lenz | 1997-03-18 |
| 5514416 | Cross flow knife coater for applying a coating to a web | Kai Grimmel, Klaus Schmehl, Norbert J. Wallraff | 1996-05-07 |
| 4911894 | Catalytic air cleaner | William B. Retallick, Stuart W. Churchill | 1990-03-27 |