Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986696 | Method of dewatering a subterranean space, especially a mine | Ferenc Pera, Zsolt Kesseru, Peter Toth, Laszlo Kapolyi | 1991-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986696 | Method of dewatering a subterranean space, especially a mine | Ferenc Pera, Zsolt Kesseru, Peter Toth, Laszlo Kapolyi | 1991-01-22 |