Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247537 | Rotatable vacuum sealed mount for optical element, endbell assembly for gas discharge tube using said mount and gas discharge tube for ion laser using said mount | Denes A. Hegedus | 1993-09-21 |
| 5177761 | Gas discharge tube having refractory ceramic coated bore disc for ion laser | Shinan-Chur S. Sheng | 1993-01-05 |
| 5070512 | Interference fit laser disk | David L. Wright, Denes A. Hegedus, Alan B. Peterson | 1991-12-03 |
| 4706256 | Fritless endbell assembly | Shinan-Chur S. Sheng, Ralph R. Jacobs, Alan Petersen | 1987-11-10 |