Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825939 | Polymeric compositions incorporating polyethylene glycol as a phase change material | Charles W. Griffen | 1989-05-02 |
| 4797160 | Phase change compositions | — | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825939 | Polymeric compositions incorporating polyethylene glycol as a phase change material | Charles W. Griffen | 1989-05-02 |
| 4797160 | Phase change compositions | — | 1989-01-10 |