Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870113 | Rigid polyphosphazene foam and process for making same | Susan D. Landry | 1989-09-26 |
| 4818603 | Thermal-acoustic insulation composite panel | — | 1989-04-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870113 | Rigid polyphosphazene foam and process for making same | Susan D. Landry | 1989-09-26 |
| 4818603 | Thermal-acoustic insulation composite panel | — | 1989-04-04 |