Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690003 | Method of forming a drill bit with debris conveying flute | James B. Mason | 1997-11-25 |
| 5641028 | Drill bit with debris conveying flute | James B. Mason | 1997-06-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690003 | Method of forming a drill bit with debris conveying flute | James B. Mason | 1997-11-25 |
| 5641028 | Drill bit with debris conveying flute | James B. Mason | 1997-06-24 |