Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7511601 | Radio frequency identification in document management | Peter M. Eisenberg, David P. Erickson, Edward D. Goff, Mitchell B. Grunes, Gene J. Hickok +9 more | 2009-03-31 |
| 6943329 | Induction heating system for reduced switch stress | — | 2005-09-13 |
| 6943330 | Induction heating system with resonance detection | — | 2005-09-13 |
| 5621571 | Integrated retroreflective electronic display | Heinrich Bantli, Thomas I. Bradshaw, Stephen W. Mohn | 1997-04-15 |
| 5608391 | Electronic license plate architecture | Heinrich Bantli, Wayne M. Thomas | 1997-03-04 |
| 5602739 | Vehicle tracking system incorporating traffic signal preemption | Jeffrey D. Haagenstad, Steven M. Hamer, Ronald Allen Hagen, Kim K. Christopher, Theodore B. Keyes | 1997-02-11 |