Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730368 | System with windows | Peter F. Masschelein, Martin Melcher, David E. Kingman | 2020-08-04 |
| 10562274 | Glass fastening and sealing systems | David E. Kingman, Donald R. Monroe, Phil M. Hobson, Juan A. Lazaro, Ibuki Kamei +7 more | 2020-02-18 |