Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585052 | Casing centralizer | Per Angman | 2003-07-01 |
| 6513223 | Method for installing a centralizer retaining collar and outer sleeve | Per Angman | 2003-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585052 | Casing centralizer | Per Angman | 2003-07-01 |
| 6513223 | Method for installing a centralizer retaining collar and outer sleeve | Per Angman | 2003-02-04 |