Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12288897 | Absorbent glass mat battery | Frank-Thomas Johns, Andreas Dudenbostel, Matthew A. Spence, Kavi G. Loganathan, Qingfang Shi +1 more | 2025-04-29 |
| 11936032 | Absorbent glass mat battery | Frank-Thomas Johns, Andreas Dudenbostel, Matthew A. Spence, Kavi G. Loganathan, Qingfang Shi +1 more | 2024-03-19 |
| 11870096 | Absorbent glass mat battery | Frank-Thomas Johns, Andreas Dudenbostel, Matthew A. Spence, Kavi G. Loganathan, Qingfang Shi +1 more | 2024-01-09 |
| 11411280 | Absorbent glass mat battery | Frank-Thomas Johns, Andreas Dudenbostel, Matthew A. Spence, Kavi G. Loganathan, Qingfang Shi +1 more | 2022-08-09 |