Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886600 | Moisture and glycerine resistant polyurethane compositions for separatory devices | Melvin Brauer | 1989-12-12 |
| 4865735 | Amine containing polyurethane compositions for separatory devices | Melvin Brauer | 1989-09-12 |