Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580171 | Solids mixing, storing and conveying system for use with a furnace for single crystal silicon production | John Lim, Mohan Chandra | 1996-12-03 |
| 5314667 | Method and apparatus for single crystal silicon production | John Lim | 1994-05-24 |