Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8210308 | Sound attentuator | Jarvis Penner, Brad Curtis Tully, Bogna Gryc | 2012-07-03 |
| 7806228 | Single duct silencing terminal unit | Duane McLennan, James W. Patterson, Johann Joel Emile Baetsen, Bogna Gryc | 2010-10-05 |
| 7806229 | Fan powered silencing terminal unit | Duane McLennan, James W. Patterson, Johann Joel Emile Baetsen, Bogna Gryc | 2010-10-05 |
| 7641125 | Variable air volume ceiling diffuser | Julian Rimmer, Richard James Steinburg, Nabil Sabet, Davis John Dyck, Andrew McCorrister +1 more | 2010-01-05 |
| 7243556 | Airflow sensor | Bogna Gryc | 2007-07-17 |
| 6237426 | Airflow sensor | Bogna Gryc, Kenneth G. Lenton | 2001-05-29 |
| 6176777 | Self-modulating diffuser for air conditioning systems | Grant L. Smith, Eric G. Laflamme, Bruce Kettner, Kenneth G. Lenton, Charles D. Fraley +1 more | 2001-01-23 |