Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915541 | Method and apparatus for continuously boring and lining tunnels and other like structures | Louis J. Thompson, Peter McIntyre | 1990-04-10 |
| 4793736 | Method and apparatus for continuously boring and lining tunnels and other like structures | Louis J. Thompson, Peter McIntyre | 1988-12-27 |