Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10447488 | Device and method for detecting powered devices connected to a power source equipment in a power over ethernet system | Chef Hsiao, Pai-Yi Chiu | 2019-10-15 |
| 10142116 | Inspection device and method for powered devices in a power over Ethernet system | Chef Hsiao, Pai-Yi Chiu | 2018-11-27 |
| 5325925 | Sealing method and apparatus for wellheads | Jerry D. Smith | 1994-07-05 |