Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D488661 | Mattress topper | — | 2004-04-20 |
| 6715173 | Modular sleep systems with friction-secured comfort unit | William Freeman, David Crist | 2004-04-06 |
| 6701557 | Single piece foam toppers with perimeter areas having variable support and firmness properties | — | 2004-03-09 |