Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683039 | Laval nozzle with central feed tube and particle comminution processes thereof | Lewis S. Smith, Kenneth D. Henderson | 1997-11-04 |
| 5628464 | Fluidized bed jet mill nozzle and processes therewith | Lewis S. Smith | 1997-05-13 |