Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4558781 | Cartridge for use in anchor bolting | John M. Murphy, John Ellis | 1985-12-17 |
| 4455171 | Reactivatable set-inhibited cementitious compositions | John Ellis | 1984-06-19 |
| 4399911 | Cartridge for use in anchor bolting | John M. Murphy, John Ellis | 1983-08-23 |
| 4395162 | Cartridge for use in anchor bolting | John M. Murphy, John Ellis | 1983-07-26 |
| 4338048 | Cartridge for rock-bolting | John M. Murphy | 1982-07-06 |