Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147000 | Disc drill bit | — | 1992-09-15 |
| 5064007 | Three disc drill bit | — | 1991-11-12 |
| 4832143 | Rotary drilling device | Neil G. Reid | 1989-05-23 |
| 4790397 | Rotary drilling device | Neil G. Reid | 1988-12-13 |
| 4549614 | Drilling device | Neil G. Reid | 1985-10-29 |