Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540966 | Method and apparatus for purifying water | Alvin Costa, Richard T. Coffey, Michael Pereira, Daniel Nelsen, Christopher Kampf | 2009-06-02 |
| 7320761 | Method for purifying water | Alvin Costa, Richard T. Coffey, Michael Pereira, Daniel Nelsen, Christopher Kampf | 2008-01-22 |
| 7147786 | Method and apparatus for purifying-water | Alvin Costa, Richard T. Coffey, Michael Pereira, Daniel Nelsen, Christopher Kampf | 2006-12-12 |
| 6982040 | Method and apparatus for purifying water | Alvin Costa, Richard T. Coffey, Michael Pereira, Daniel Nelsen, Christopher Kampf | 2006-01-03 |
| D496984 | Water purifier | Alvin Costa, Richard T. Coffey, Michael Pereira, Daniel Nelsen, Christopher Kampf +1 more | 2004-10-05 |