Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248153 | Diffusional gas transfer system and method of using same | Ricardo Lira | 2001-06-19 |
| 6216693 | Respirator having a compressible press fir filter element | Peter O. Rekow, Thomas W. Holmquist-Brown, Vaughn B. Grannis | 2001-04-17 |
| 6010766 | Corrugated nonwoven webs of polymeric microfiber | James E. Steffen | 2000-01-04 |
| 5976220 | Diffusional gas transfer system and method using same | Ricardo Lira | 1999-11-02 |