Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6001242 | Apparatus and method for high volume pipeline water filtration | Dale England, Gunnar Kopp | 1999-12-14 |
| 5871652 | Method for high volume pipeline water filtration | Dale England, Gunnar Kopp | 1999-02-16 |