Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415712 | Ventilation system | Jonathan Yu Zhang, Thomas Fries, Eric (Tong) Yu, Denise Philipp | 2016-08-16 |
| 8777320 | Ventilation system | Johnathan Zhang, Thomas Fries, Yu Tong, Denise Philipp | 2014-07-15 |
| 5684709 | Method for generating a circuit arrangement comprising circuits with the aid of a computer | — | 1997-11-04 |