Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7669460 | Small-scale shock reactivity and internal blast test | Harold W. Sandusky, Douglas G. Bohl | 2010-03-02 |
| 6761781 | High density ANFO | Lawrence D. Lawrence | 2004-07-13 |
| 6539870 | Blasting method for reducing nitrogen oxide fumes | — | 2003-04-01 |
| 5608185 | Method of reducing nitrogen oxide fumes in blasting | Lawrence D. Lawrence | 1997-03-04 |