Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882828 | Protection of sensitive material | Robert H. McLoughlin, George B. Park, Stephen E. Myers | 1989-11-28 |
| 4818596 | Waterproof article and method for making a waterproof article | Raymond W. Singleton | 1989-04-04 |
| 4818643 | Materials for electrical devices | George B. Park, Robert H. McLoughlin | 1989-04-04 |