Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4288903 | Method for producing stuffing for a spring-type mattress | Sakuichi Tanikawa | 1981-09-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4288903 | Method for producing stuffing for a spring-type mattress | Sakuichi Tanikawa | 1981-09-15 |