Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8628734 | Method for recovery of rare earths from fluorescent lamps | Robert Otto | 2014-01-14 |
| 7976798 | Method for recovery of rare earths from fluorescent lamps | Robert Otto | 2011-07-12 |