Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674792 | Position adjustable see-through headrest | Hisao Tamura | 1987-06-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674792 | Position adjustable see-through headrest | Hisao Tamura | 1987-06-23 |