Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8980203 | Process for obtaining highly pure litharge from lead acid battery paste | W. Novis Smith | 2015-03-17 |
| 8715615 | Recovery of high purity lead oxide from lead acid battery paste | W. Novis Smith | 2014-05-06 |
| 8562923 | Process for obtaining pure litharge from lead acid battery paste | W. Novis Smith | 2013-10-22 |
| 8323595 | Recovery of high purity lead oxide from lead acid battery paste | W. Novis Smith | 2012-12-04 |
| 7785561 | Recovery of high purity PbO | W. Novis Smith | 2010-08-31 |
| 7507496 | Process for recovering lead oxides from exhausted batteries | W. Novis Smith, Richard W. Schutte | 2009-03-24 |