Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10799046 | Valve assembly for a leak resistant drinking cup | Xiangwen Zhang, Douglas Hanneken | 2020-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10799046 | Valve assembly for a leak resistant drinking cup | Xiangwen Zhang, Douglas Hanneken | 2020-10-13 |