Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164126 | Process for microencapsulation | Robert John Kalishek | 1992-11-17 |
| 4444699 | Capsule manufacture | — | 1984-04-24 |
| 4211437 | Stilt capsules for pressure-sensitive record material | Hugh K Myers | 1980-07-08 |