| 6874771 |
Humidifier with a heating disc |
Walter Birdsell, David L. Feer |
2005-04-05 |
| 6830433 |
Tower fan |
Walter Birdsell, David L. Feer |
2004-12-14 |
| D489122 |
Electric heater |
Walter Birdsell, Mark E. Mnich, Michael J. Painter |
2004-04-27 |
| D476724 |
Heater fan |
Luke Chuang, Anthony Lai, Walter Birdsell, Meral Middleton, Paul Metaxatos +3 more |
2003-07-01 |
| D469526 |
Humidifier |
Anthony Lai, John Brotz, Walter Birdsell, Steffen Koury, Paul Metaxatos +1 more |
2003-01-28 |
| D468819 |
Humidifier |
Anthony Lai, John Brotz, Walter Birdsell, Steffen Koury, Paul Metaxatos +1 more |
2003-01-14 |
| D468818 |
Heater fan |
Luke Chuang, Anthony Lai, Walter Birdsell, Meral Middleton, Paul Metaxatos +3 more |
2003-01-14 |
| D466599 |
Heater fan |
Timothy Bragg, Anthony Lai, Walter Birdsell, Meral Middleton, Paul Metaxatos +3 more |
2002-12-03 |
| 6321033 |
Tamper resistant electrical environmentally conditioning device |
Walter Birdsell, John Lapetina |
2001-11-20 |
| D408903 |
Portable electric heater |
Stephan Boyle, Walter Birdsell, Steven L. Hecker, Alan Leung, Richard M. O'Grady +2 more |
1999-04-27 |