Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612655 | Mining system and method featuring a bread loaf shaped borehole | Jeffrey J. Schwoebel, Rudy Paul Zych, Jerry O'Keefe, George Coleman | 2003-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612655 | Mining system and method featuring a bread loaf shaped borehole | Jeffrey J. Schwoebel, Rudy Paul Zych, Jerry O'Keefe, George Coleman | 2003-09-02 |