Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D394366 | Seat cushion | Robert H. Graebe | 1998-05-19 |
| D391110 | Cellular seat cushion | Robert H. Graebe | 1998-02-24 |
| D391111 | Seat cushion | Robert H. Graebe | 1998-02-24 |
| D389692 | Cellular seat cushion | Robert H. Graebe | 1998-01-27 |
| D389702 | Cellular seat cushion | Robert H. Graebe | 1998-01-27 |
| D388651 | Seat cushion | Robert H. Graebe | 1998-01-06 |