Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10665907 | Devices and method for smelterless recycling of lead acid batteries | Stephen R. Clarke, Robert Lewis Clarke, Michael David Hurwitz, Michael John King | 2020-05-26 |
| 9837689 | Method for smelterless recycling of lead acid batteries | Stephen R. Clarke, Robert Lewis Clarke, Michael David Hurwitz, Michael John King | 2017-12-05 |