Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698158 | Vacuum distillation apparatus for producing ultra high purity material | Raymond K. F. Lam | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698158 | Vacuum distillation apparatus for producing ultra high purity material | Raymond K. F. Lam | 1997-12-16 |