Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6003386 | Disposable mass flow transducer | Robert B. Guthrie, John Zhongyu Yan | 1999-12-21 |
| 5889212 | Dual chamber differential pressure transducer with multiple inlet and outlet ports | Robert B. Guthrie, John Zhongyu Yan | 1999-03-30 |