Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7790072 | Treatment method for optically transmissive bodies | Ralph Korenstein, Patrick K. Hogan, John S. McCloy | 2010-09-07 |
| 6707017 | High-power microwave window | Weldon S. Williamson, Robert B. Hallock, Richard Alexy | 2004-03-16 |
| 5281465 | Method of strengthening an optical body by diffusion of material to the depth of structural flaws formed in such body | Joseph M. Wahl, Randal W. Tustison, Thomas Y. Wong | 1994-01-25 |
| 5126081 | Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality | James Pappis | 1992-06-30 |
| 4944900 | Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality | James Pappis | 1990-07-31 |