Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889895 | Electron beam curable copolymer useful in recording media | John G. Chernega, John A. Martens, Roger A. Olsen | 1989-12-26 |
AD
Auburn B. Cottingham, deceased
Overall (1989): #130,383 of 140,708Top 95%
1
Patents 1989