Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986183 | Method and apparatus for calibration of electronic delay detonation circuits | Merritt Jacob, Glen P. Goffin | 1991-01-22 |
| 4445435 | Electronic delay blasting circuit | — | 1984-05-01 |
| 4395950 | Electronic delay blasting circuit | — | 1983-08-02 |
| 4328751 | Electronic delay blasting circuit | — | 1982-05-11 |
| 4311096 | Electronic blasting cap | — | 1982-01-19 |