Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982991 | Vibrating fork level switches | Jeffery Allan Sears, Jingdong Zhang, Tadewos Tzegazeab | 2021-04-20 |
| 6052268 | Electrical apparatus | — | 2000-04-18 |
| 5854731 | Electrical apparatus | — | 1998-12-29 |