Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069131 | Primer | Gerard Mussett, Alfons Van Maanan, James N. Smetham | 1991-12-03 |
| 5024158 | Multi-directional initiator for explosives | Donald C. True, David M. Welsh | 1991-06-18 |
| 4982662 | Shaped primer | Michael Beck | 1991-01-08 |
| 4947751 | Multi-directional initiator for explosives | Donald C. True, David M. Welsh | 1990-08-14 |