Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10637044 | Corrosion resistant positive grid for lead-acid batteries | Frank Fleming, Timothy W. Ellis | 2020-04-28 |
| 9985276 | Corrosion resistant positive grid for lead-acid batteries | Frank Fleming, Timothy W. Ellis | 2018-05-29 |
| 7923155 | Lead-tin-silver-bismuth containing alloy for positive grid of lead acid batteries | Frank Fleming | 2011-04-12 |
| 7704452 | Alloy and anode for use in the electrowinning of metals | Andreas Siegmund | 2010-04-27 |