Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824478 | Method and apparatus for producing fine metal powder | James J. Airey, James E. Blout, Joseph J. Airey | 1989-04-25 |
| 4813965 | Brazed porous coating and improved method of joining metal with silver material | — | 1989-03-21 |