Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942034 | Extent of detonation determination method using seismic energy | William T. Bell | 2005-09-13 |
| 6928030 | Seismic defense system | Donald G. Chamberlain, William T. Bell | 2005-08-09 |
| 6885918 | Seismic monitoring and control method | William T. Bell | 2005-04-26 |