Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8753434 | Zinc oxide containing filter media and methods of forming the same | Jeffrey R. Dahn, Jock W. H. Smith, Jennifer V. Romero | 2014-06-17 |
| 8585808 | Zinc oxide containing filter media and methods of forming the same | Jeffrey R. Dahn, Jock W. H. Smith, Jennifer V. Romero | 2013-11-19 |
| 8293333 | Ammonia-free gaseous air filter | Jeffrey R. Dahn, Allen R. Siedle, Jock W. H. Smith, Philippe WESTREICH, Thomas E. Wood | 2012-10-23 |
| 7748381 | Portable blower system | Pierre Legare, David E. Livingstone | 2010-07-06 |