Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481594 | Roll mounted T-shirt style produce bag and dispensers for same | Ben Tseng | 2002-11-19 |
| 6382429 | Adapter for dispensing rack for T-shirt style bags with rupturable tab opening | Ben Tseng | 2002-05-07 |
| 6149007 | Central handled co-extruded stiff polyethylene bag stack and method of making same | Ben Tseng, Andy Cyrkin | 2000-11-21 |
| 5979655 | Plastic bag stack with special tab opening | Ben Tseng, Ernest Acosta, Yook-Meng Chew | 1999-11-09 |