Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11799165 | Vent adapter for lead-acid battery systems | Joseph E. Liedhegner | 2023-10-24 |
| 10804514 | Vent adapter for lead-acid battery systems | Joseph E. Liedhegner | 2020-10-13 |
| D886060 | Battery vent adapter | Joseph E. Liedhegner, Christopher M. Bonin, Nicholas E. Elison | 2020-06-02 |
| 10193113 | Vent adapter for lead-acid battery systems | Joseph E. Liedhegner | 2019-01-29 |
| D807291 | Battery vent adapter | Joseph E. Liedhegner | 2018-01-09 |
| D779427 | Battery vent adapter | Joseph E. Liedhegner | 2017-02-21 |
| D760650 | Battery vent adapter | Joseph E. Liedhegner | 2016-07-05 |