Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11780741 | Modular underdrain systems | Rand S Faaborg, Darrell Wayne Christianson, Brian Leo Brink, Scott Allen Pallwitz, Chad Carpenter | 2023-10-10 |
| 10941050 | Modular underdrain systems | Rand S Faaborg, Darrell Wayne Christianson, Brian Leo Brink, Scott Allen Pallwitz, Chad Carpenter | 2021-03-09 |