Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257664 | Multiple adjustable back assembly for use with wheelchair | Norman Chew | 2001-07-10 |
| 6241320 | Customizable seat cushion and positioning assembly including pressure compensation inserts | Norman Chew | 2001-06-05 |
| 5718026 | Adjustable attachment device for suspending an object | Patrick N. Harrison | 1998-02-17 |
| 5573302 | Lower back support | Patrick N. Harrison | 1996-11-12 |
| 5524969 | Angularly adjustable backrest mounting assembly for a seat | Patrick N. Harrison | 1996-06-11 |
| 5522106 | Seat cushion assembly | Patrick N. Harrison | 1996-06-04 |