Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250140 | Device having raised side edge portions for heat-sealing tubular packaging material | Kojiro Hayashi, Fumiyuki Iwano, Yoichi Nishiguchi, Hisao Takahashi, Masaaki Ogawa | 1993-10-05 |