Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761781 | High density ANFO | Richard H. Granholm | 2004-07-13 |
| 5608185 | Method of reducing nitrogen oxide fumes in blasting | Richard H. Granholm | 1997-03-04 |
| 5490887 | Low density watergel explosive composition | Don H. Cranney, Michael M. Jackson | 1996-02-13 |
| 5445059 | Method for forming paper-wrapped emulsion explosive cartridges | John B. Halander | 1995-08-29 |
| 5017251 | Shock-resistant, low density emulsion explosive | Walter B. Sudweeks | 1991-05-21 |
| 4931110 | Emulsion explosives containing a polymeric emulsifier | Lee F. McKenzie | 1990-06-05 |
| 4867920 | Emulsion explosive manufacturing method | Walter B. Sudweeks | 1989-09-19 |
| 4820361 | Emulsion explosive containing organic microspheres | Lee F. McKenzie | 1989-04-11 |