| |
 |
Dale Boucher Patents |
|
Inventor: Boucher; Dale
Address: Sudbury, CA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7341118 |
Rotating dry drilling bit |
March 11, 2008 |
| A rotating dry drilling bit for low thrust drilling of an annular bore hole into a body of rock and obtaining an extremely small diameter core sample comprises a bit crown moulded to the end of an annular steel body. The bit crown comprises a plurality of radially extending channels and |
|
|
|