Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828655 | Method of forming molybdenum/iron phosphate surface coating material | Simon Chin-Yu Tung | 1989-05-09 |
| 4808281 | Phosphate coating complex metal surfaces | Richard P. Tison, Dexter D. Snyder | 1989-02-28 |