Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882828 | Protection of sensitive material | George B. Park, John A. Cook, Stephen E. Myers | 1989-11-28 |
| 4849144 | Process for making a separator for an electrochemical device | — | 1989-07-18 |
| 4818643 | Materials for electrical devices | John A. Cook, George B. Park | 1989-04-04 |
| 4798752 | Curable sheet | Pushpkumar D. Changani | 1989-01-17 |