Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929368 | Hybrid electronic detonator delay circuit assembly | David W. Ewick, Paul N. Marshall, Thomas C. Tseka, Brendan Michael Walsh | 1999-07-27 |
| 5435248 | Extended range digital delay detonator | Robert G. Pallanck | 1995-07-25 |
| 5377592 | Impulse signal delay unit | Robert G. Pallanck | 1995-01-03 |
| 5173569 | Digital delay detonator | Robert G. Pallanck | 1992-12-22 |