Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909824 | Process and device for preserving carbonation of carbonated beverage during consumption | Benyu Qian | 1999-06-08 |
| 5826748 | Closed isobaric dispenser for carbonated liquid | Benyu Qian | 1998-10-27 |