Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334948 | Method of and apparatus for growing crystal ribbon | Samuel Berkman | 1982-06-15 |
| 4271129 | Heat radiation deflectors within an EFG crucible | Samuel Berkman, Richard Novak, David L. Patterson | 1981-06-02 |
| 4251206 | Apparatus for and method of supporting a crucible for EFG growth of sapphire | Samuel Berkman, Richard Novak, David L. Patterson | 1981-02-17 |