Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6408759 | Initiator with loosely packed ignition charge and method of assembly | Brendan Michael Walsh | 2002-06-25 |
| 5929368 | Hybrid electronic detonator delay circuit assembly | Paul N. Marshall, Kenneth A. Rode, Thomas C. Tseka, Brendan Michael Walsh | 1999-07-27 |
| 5889228 | Detonator with loosely packed ignition charge and method of assembly | Brendan Michael Walsh | 1999-03-30 |
| 5831203 | High impedance semiconductor bridge detonator | — | 1998-11-03 |
| 5714712 | Explosive initiation system | Daniel P. Sutula, Jr., Brendan Welch, Anthony Sendek, Willie B. Eicke, Jr. | 1998-02-03 |