Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647716 | Article having heat expandable sealing member | James K. Akiyama, Richard A. Young | 1987-03-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647716 | Article having heat expandable sealing member | James K. Akiyama, Richard A. Young | 1987-03-03 |