Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160560 | Method of producing optically flat surfaces on processed silicon wafers | Murray S. Welkowsky, P. K. Vasudev, Philip G. Reif | 1992-11-03 |
| 4913531 | Liquid crystal light valve with grooved microgrid and method of forming the same | Uzi Efron, Murray S. Welkowsky | 1990-04-03 |
| 4523067 | Temperature gradient zone melting apparatus | Roger H. Brown, Kuen Chow, Jan Grinberg | 1985-06-11 |