Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881649 | Package having inseparable seals and a modified ply-separation opening | Anthony C. Guckenberger | 1989-11-21 |
| 4871006 | Dual fluted shade | Jamee Kao | 1989-10-03 |
| 4812319 | Method for making package having oil-containing product | Robert A. Steen | 1989-03-14 |
| 4795515 | Process and equipment for making hexagon insulating shade | Jamee Kao | 1989-01-03 |