Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830273 | Plastic pour spout bonding | Robert L. Gordon | 1989-05-16 |
| 4813546 | Opening arrangement for gable top container | Robert L. Gordon | 1989-03-21 |
| 4813578 | Self opening pour spout and screw cap | Robert L. Gordon | 1989-03-21 |