Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993326 | Golf practice device | Thomas M. Hitchman | 1999-11-30 |
| 5472307 | Wheelchair tilt lift | Anthony Kadlec, Keith E. Granberg, William J. Feirn, Jonathan A. Kadlec | 1995-12-05 |