Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8281801 | Greywater system and method for applying same | — | 2012-10-09 |
| 8241009 | Water main system with monitoring of addition of branches, system and method therefor | Sjoerd Pieter Wouda | 2012-08-14 |