Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756446 | Double-walled container | Tsuneo Naganuma | 1988-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4756446 | Double-walled container | Tsuneo Naganuma | 1988-07-12 |