Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879421 | Apparatus and method for forming an aggregate product from particulate material | Henry Liu, Yu-Hsueh Lin | 1999-03-09 |
| 5658357 | Process for forming coal compact without a binder | Henry Liu, Tom Marrero, Bill Burkett | 1997-08-19 |