Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468358 | Confined underwater cryogenic surface preparation | Billy Courson | 2002-10-22 |
| 6463942 | Apparatus for confined underwater cryogenic surface preparation | Billy Courson | 2002-10-15 |