Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168352 | Apparatus for producing high density slurry and paste backfills | Long Chen, Daniel G. Millette | 2001-01-02 |
| 5888026 | Backfill paste production facility and method and apparatus for producing high density slurry and paste backfills | Long Chen, Daniel G. Millette | 1999-03-30 |