Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143217 | Air inlet arrangement for ice cream or yogurt machine | Lingyu Dong | 2018-12-04 |
| 9706786 | Air inlet arrangement for ice cream or yogurt machine | Lingyu Dong | 2017-07-18 |