Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7918348 | Filter device and method for the periodic cleaning of a filter | Mark Grigo | 2011-04-05 |
| 7678273 | Membrane plate and filter element | Mark Grigo | 2010-03-16 |
| 7332081 | Filter device for the clarification of contaminated liquids | Mark Grigo | 2008-02-19 |
| 7037427 | Filter device for clarifying contaminated liquids | Mark Grigo | 2006-05-02 |