Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150729 | Control spear for use in a passage for conducting dust-containing hot gases | Wolfgang Frank, Johannes Loffler | 1992-09-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150729 | Control spear for use in a passage for conducting dust-containing hot gases | Wolfgang Frank, Johannes Loffler | 1992-09-29 |