Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11239507 | Devices and method for smelterless recycling of lead acid batteries | Brian Dougherty, Michael John King, Robert Lewis Clarke, Stephen R. Clarke | 2022-02-01 |
| 10689769 | Electrodeposited lead composition, methods of production, and uses | Stephen R. Clarke, Michael John King, Brian Dougherty | 2020-06-23 |
| 10665907 | Devices and method for smelterless recycling of lead acid batteries | Stephen R. Clarke, Robert Lewis Clarke, Michael John King, Selwyn Mould | 2020-05-26 |
| 10340561 | Devices and method for smelterless recycling of lead acid batteries | Brian Dougherty, Michael John King, Robert Lewis Clarke, Stephen R. Clarke | 2019-07-02 |
| 9837689 | Method for smelterless recycling of lead acid batteries | Stephen R. Clarke, Robert Lewis Clarke, Michael John King, Selwyn Mould | 2017-12-05 |
| 9647267 | Rechargeable copper-zinc cell | Darron Rolfe Brackenbury | 2017-05-09 |