Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220173 | Trolley for rail tracks that are branched by means of switch points | — | 2001-04-24 |
| 6213025 | Rail-guided transport system with transport vehicles | Michael Zorn | 2001-04-10 |
| 5575239 | Indoor/outdoor animal housing | Thomas A. Bradburn, Richard K. Garton | 1996-11-19 |
| D366541 | Doghouse | Thomas A. Bradburn, Richard K. Garton | 1996-01-23 |