Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9388075 | Granular pumice and method for producing granular pumice | Markus Roos | 2016-07-12 |
| 8859096 | Granular pumice and method for producing granular pumice | Markus Roos | 2014-10-14 |