Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308546 | Phosphorescent toy gel composition and methods of manufacture | Gary L. Hansen, Richard E. Trapp | 1994-05-03 |
| 5226986 | Formulation of multi-component explosives | Gary L. Hansen, Richard E. Trapp | 1993-07-13 |
| RE33788 | Water-in-oil blasting composition | — | 1992-01-07 |
| 5007973 | Multicomponent explosives | Richard E. Trapp, Gary L. Hansen, Lawrence J. Dubetsky, Robert S. Olney | 1991-04-16 |
| 4294633 | Blasting composition | — | 1981-10-13 |
| 4195548 | Blasting slurry pump truck | Merrill A. Cook | 1980-04-01 |
| 4181546 | Water resistant blasting agent and method of use | — | 1980-01-01 |