Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880605 | Gas dispersion shroud for high temperature processing of powders | Nelson E. Kopatz, Philip E. Stermer | 1989-11-14 |
| 4808217 | Process for producing fine spherical particles having a low oxygen content | Nelson E. Kopatz | 1989-02-28 |