Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5147448 | Techniques for producing fine metal powder | Peter R. Roberts | 1992-09-15 | $251,000 |
| 4824478 | Method and apparatus for producing fine metal powder | Peter R. Roberts, James J. Airey, Joseph J. Airey | 1989-04-25 | $348,000 |