Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4785931 | Molded plastic closure having integral stacking support ribs and rupturable mix compartments | Don F. Yeager | 1988-11-22 |
| 4747511 | Plug-type openers for plastic can ends | Herbert V. Dutt, Donald F. Yeager | 1988-05-31 |
| 4700867 | Sleeved container and closure assembly | Herbert V. Dutt | 1987-10-20 |