Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7682251 | Multilevel online tournament | Michal Bortnik, Steven D. Lamb, Johan Peter Hansen | 2010-03-23 |
| 7354345 | Multilevel online tournament | Michal Bortnik, Steven D. Lamb, Johan Peter Hansen | 2008-04-08 |
| 5159934 | Miniature sensor for mainstream capnometry/capnography instrumentation | — | 1992-11-03 |
| 4889992 | Automatic infrared microorganism detection instrument | — | 1989-12-26 |
| 4544910 | Exit sign lamp flashing system with self-checking provisions | — | 1985-10-01 |
| 4374541 | Temperature control system for conserving energy | — | 1983-02-22 |