Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5280085 | Polyphenylene ether/siloxane polyetherimide copolymer | John A. Rock, Norman E. Durfee, Jr. | 1994-01-18 |
| 5106915 | Flame resistant polyetherimide resin blends | John A. Rock, Norman E. Durfee, Jr. | 1992-04-21 |
| 5051483 | Flame resistant polyetherimide resin blends | John A. Rock, Norman E. Durfee, Jr. | 1991-09-24 |