| 10907843 |
Ventilating system and method |
Mirko Zakula, Daniel L. Karst, Corey Scott Jacak |
2021-02-02 |
| 10465939 |
Ventilation damper system and method |
Kenneth J. Jonas, Corey Scott Jacak |
2019-11-05 |
| 10323853 |
Ventilation system and method |
Mirko Zakula, Daniel L. Karst |
2019-06-18 |
| 10113550 |
Ventilation system and method |
Mirko Zakula, Daniel L. Karst |
2018-10-30 |
| 9945580 |
Ventilation system |
Daniel L. Karst, Mirko Zakula, John R. Adrian |
2018-04-17 |
| 9689581 |
Ventilation system and method |
Mirko Zakula, Daniel L. Karst, Kenneth J. Jonas |
2017-06-27 |
| D764651 |
Scroll grid |
Mirko Zakula, Daniel L. Karst |
2016-08-23 |
| D754838 |
Knock-out panel |
Mirko Zakula, Daniel L. Karst |
2016-04-26 |
| 9303888 |
Ventilation system and method |
Daniel L. Karst, John R. Adrian, Mirko Zakula |
2016-04-05 |
| D742498 |
Crescent baffle |
Mirko Zakula, Daniel L. Karst |
2015-11-03 |
| D732156 |
Exhaust fan muffler |
Daniel L. Karst, Mirko Zakula |
2015-06-16 |
| D706916 |
Ventilation fan |
Mirko Zakula, Kenneth J. Jonas, Corey Scott Jacak |
2014-06-10 |
| D669571 |
Scroll housing |
Mirko Zakula, Daniel L. Karst |
2012-10-23 |
| D669570 |
Duct connector |
Mirko Zakula, Daniel L. Karst |
2012-10-23 |
| D626644 |
Vent |
Corey Scott Jacak, Kenneth J. Jonas |
2010-11-02 |
| 7654495 |
Hanger assembly |
John R. Adrian, Richard G. McDonald, Kenneth J. Jonas, Daniel L. Karst |
2010-02-02 |
| 7455500 |
Modular ventilating exhaust fan assembly and method |
Daniel L. Karst |
2008-11-25 |
| 7128303 |
Fan mounting spacer assembly |
Danny W. Bothe |
2006-10-31 |
| 6979169 |
Modular ventilating exhaust fan assembly and method |
Daniel L. Karst |
2005-12-27 |
| D511379 |
Fan cover |
Jesse Cotterman |
2005-11-08 |
| 6802770 |
Ventilating exhaust fan |
David M. Larson, Daniel L. Karst, Robert A. Chvosta, Alan G. Klug, Kevin P. Gahagan |
2004-10-12 |
| 6488579 |
Ventilating exhaust fan |
David M. Larson, Daniel L. Karst, Robert A. Chvosta, Alan G. Klug, Kevin P. Gahagan |
2002-12-03 |
| 6261175 |
Ventilating exhaust fan |
David M. Larson, Daniel L. Karst, Robert A. Chvosta, Alan G. Klug, Kevin P. Gahagan |
2001-07-17 |
| 4867640 |
Exhaust fan for bathrooms and the like |
David W. Wolbrink, Kenneth J. Jonas, Thomas A. Kuhnke |
1989-09-19 |
| 4261077 |
Sash lift |
Roger L. Brock |
1981-04-14 |