Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921738 | Device for identifying the location of coal ropes | William Bailey, Richard C. LaFlesh, Jeffrey S. Mann, Joseph W. Quinn | 2011-04-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921738 | Device for identifying the location of coal ropes | William Bailey, Richard C. LaFlesh, Jeffrey S. Mann, Joseph W. Quinn | 2011-04-12 |