Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8444804 | Heat sealing method | James William Sadler, Qin Lin, Gordon Charles Bird | 2013-05-21 |
| 8191598 | Heat sealing jaw apparatus | James William Sadler, Qin Lin, Gordon Charles Bird | 2012-06-05 |