Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147448 | Techniques for producing fine metal powder | Peter R. Roberts | 1992-09-15 |
| 4824478 | Method and apparatus for producing fine metal powder | Peter R. Roberts, James J. Airey, Joseph J. Airey | 1989-04-25 |