Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D483776 | Wine cellar | Jian Ma, Biao Li, Yaowen Bai | 2003-12-16 |
| D477338 | Freezer with drawer below | Jian Ma, Biao Li, Yaowen Bai | 2003-07-15 |
| 6449976 | Horizontal freezer with drawers | Yongsen Chai, Jian Ma, Biao Li | 2002-09-17 |
| D460466 | Constant temperature wine cellar | Jian Ma, Biao Li, Qing Yao | 2002-07-16 |
| D453169 | Wine cellar with long handle | Jian Ma, Biao Li, Qing Yao | 2002-01-29 |
| D451936 | Freezer with drawer below | Jian Ma, Biao Li, Qiang Xu | 2001-12-11 |