Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8562926 | Method and device for catchment of platinum group metals in a gas stream | David Waller, David M. Brackenbury | 2013-10-22 |
| 8105975 | Method and device for catchment of platinum group metals in a gas stream | David Waller, David M. Brackenbury | 2012-01-31 |