Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470664 | Hard anodic coating for magnesium alloys | Duane E. Bartak, Earl R. Woolsey | 1995-11-28 |
| 5266412 | Coated magnesium alloys | Duane E. Bartak, Earl R. Woolsey | 1993-11-30 |
| 5264113 | Two-step electrochemical process for coating magnesium alloys | Duane E. Bartak, Earl R. Woolsey | 1993-11-23 |
| 5240589 | Two-step chemical/electrochemical process for coating magnesium alloys | Duane E. Bartak, Earl R. Woolsey | 1993-08-31 |