Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377213 | Dual bushing centralizer | Edward A. Bailey | 1983-03-22 |
| 4194579 | Drilling apparatus and method | Edward A. Bailey | 1980-03-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377213 | Dual bushing centralizer | Edward A. Bailey | 1983-03-22 |
| 4194579 | Drilling apparatus and method | Edward A. Bailey | 1980-03-25 |