Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752976 | Sofa sleeper having improved mattress supporting surface | — | 1988-06-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4752976 | Sofa sleeper having improved mattress supporting surface | — | 1988-06-28 |