Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7055712 | Double seal self-venting container | — | 2006-06-06 |
| 5685478 | Single piece container and method for making | — | 1997-11-11 |
| 4415776 | Telephone music-on-hold device | Robin K. L. Tang | 1983-11-15 |