Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8884748 | Method for avoiding children to be left in car alone and device thereof | Davy Zide Qian, Benyu Qian, Lequn Lu | 2014-11-11 |
| 8432271 | Driver alarm for preventing children from being left in car | Davy Zide Qian, Benyu Qian, Lequn Lu | 2013-04-30 |