Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960760 | Light weight hollow valve assembly | Yushu Wang, Simon Narasimhan, Les Ecklund | 1999-10-05 |
| 5440676 | Raster scan waveform display rasterizer with pixel intensity gradation | Kuriappan P. Alappat, Edward E. Ayerill | 1995-08-08 |
| 4580143 | Viscosity control of ink-jet inks | — | 1986-04-01 |