Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9873077 | Use of clinker kiln dust for gas scrubbing | Dusting Pham, George Hartman, Zuhair Hasan | 2018-01-23 |
| 9795912 | Use of clinker kiln dust for gas scrubbing | Dusting Pham, George Hartman, Zuhair Hasan | 2017-10-24 |
| 9597626 | Use of clinker kiln dust for gas scrubbing | Dusting Pham, George Hartman, Zuhair Hasan | 2017-03-21 |
| 4680862 | Motor-driven chain saw | Dieter Wieland, Abou Aly | 1987-07-21 |