Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923711 | Magnetic recording medium manufacturing process | John G. Chernega, John A. Martens, Roger A. Olsen | 1990-05-08 |
| 4889895 | Electron beam curable copolymer useful in recording media | John G. Chernega, John A. Martens, Roger A. Olsen | 1989-12-26 |
| 4400324 | Process for preparing anthraquinone | Thomas S. Brima | 1983-08-23 |
| 4362250 | Container for storing reactive or volatile material | — | 1982-12-07 |