Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9873077 | Use of clinker kiln dust for gas scrubbing | Hartmut Riess, Dusting Pham, George Hartman | 2018-01-23 |
| 9795912 | Use of clinker kiln dust for gas scrubbing | Hartmut Riess, Dusting Pham, George Hartman | 2017-10-24 |
| 9597626 | Use of clinker kiln dust for gas scrubbing | Hartmut Riess, Dusting Pham, George Hartman | 2017-03-21 |