Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691390 | Thermoplastic syntactic foams and their preparation | Edward S. Harrison, James L. Melquist | 1997-11-25 |
| 5532295 | Thermoplastic syntactic foams and their preparation | Edward S. Harrison, James L. Melquist | 1996-07-02 |