Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047162 | Black plant steam furnace injection | Michael J. Szmania, David J. Walker, Donald L. Wietzke | 2011-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047162 | Black plant steam furnace injection | Michael J. Szmania, David J. Walker, Donald L. Wietzke | 2011-11-01 |