Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041177 | Ammonium nitrate/fuel oil blasting explosive having decreased oil segregation | Christopher Preston, Earl Reckzin | 1991-08-20 |
| 4735100 | Fluid flow sensor having multiplying effect | — | 1988-04-05 |
| 4509998 | Emulsion blasting agent with amine-based emulsifier | — | 1985-04-09 |
| 4500370 | Emulsion blasting agent | — | 1985-02-19 |