Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941843 | Electrical trunkline system | Philip L. Nathan, Peter O. Malpage | 1990-07-17 |
| 4915646 | Electrical trunkline system | Philip L. Nathan, Peter O. Malpage | 1990-04-10 |
| 4760791 | Electrical sequential firing system | — | 1988-08-02 |
| 4610203 | Electrical sequential firing system | — | 1986-09-09 |
| 4586435 | Electric detonator | — | 1986-05-06 |