Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6055089 | Photovoltaic powering and control system for electrochromic windows | Stephen C. Schulz, Lech Michalski, John E. Van Dine | 2000-04-25 |
| 4959112 | Selective scribing of materials | Frank Ellis, Alan E. Delahdy, Jonathan Allen | 1990-09-25 |