Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966014 | System for simultaneously testing a plurality of batteries for multiple operating specifications | Chaojiong Zhang | 1999-10-12 |
| 5903154 | Battery test contact assembly | Chaojiong Zhang | 1999-05-11 |
| 5092779 | Academic quiz controller | Gregory S. Schreiber | 1992-03-03 |