Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746421 | Density classification of particulate materials by elutriation methods | — | 1988-05-24 |
| 4554066 | Density classification of particulate materials by elutriation methods and apparatus | James Archibald | 1985-11-19 |