Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925846 | Method for the production of an ammonium nitrate fuel oil blasting composition having improved water resistance | Andrew Richard, Earl Reckzin | 1999-07-20 |
| 5841055 | Method for controlled refining of explosive compositions | Allan Hooper, Les Collins, Earl Reckzin, Andrew Richard, Tom Palangio +1 more | 1998-11-24 |
| 5672839 | Method and apparatus for controlled refining of explosive compositions | Alan Gregory Hooper, Les Collins, Earl Reckzin, Andrew Richard, Mark B. Kelly +1 more | 1997-09-30 |
| 5480500 | Ammonim nitrate fuel oil blasting composition having improved water resistance | Andrew Richard, Earl Reckzin | 1996-01-02 |