Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644201 | Device, system and method for on-line explosive deslagging | Francis Zilka, Timothy Zilka, Donald Howard, Christopher Scaringe, William Youngs | 2003-11-11 |
| 6604468 | Device, system and method for on-line explosive deslagging | Francis Zilka, Timothy Zilka, Donald Howard | 2003-08-12 |