Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939252 | Protective material for acoustic transmission | — | 2015-01-27 |
| 8827719 | Resuscitation manikins and methods of using the same | Arthur L. Kellermann, Daniel Wu | 2014-09-09 |
| 6364647 | Thermostatic melt blowing apparatus | — | 2002-04-02 |
| 6220388 | Acoustical insulation panel | — | 2001-04-24 |
| 5505059 | Direct heated adsorbent bed heat pump | — | 1996-04-09 |
| 4434539 | Method of manufacturing a heat exchanger | Andrew L. Blackshaw | 1984-03-06 |
| 4385723 | Connection assembly | Andrew L. Blackshaw | 1983-05-31 |
| 4316502 | Helically flighted heat exchanger | Andrew L. Blackshaw | 1982-02-23 |