Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222783 | Chair with its backrest adjustable in its angle | — | 1993-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222783 | Chair with its backrest adjustable in its angle | — | 1993-06-29 |