Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4419154 | Delay composition for detonators | Kenneth A. Yuill | 1983-12-06 |
| 4406226 | Non-electric delay blasting method | James R. Simon | 1983-09-27 |
| 4374686 | Delay composition for detonators | Kenneth A. Yuill | 1983-02-22 |