Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011199 | HVAC control using discrete-speed thermostats and run times | Allan J. Reifel, Dave L. Koesterer, Siegfried J. Weigl | 2011-09-06 |
| D640196 | Battery pack | Jianjun Shuang | 2011-06-21 |