Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11976454 | Trenchlessly installed subterranean collector drain for surface and subsurface water | John Jurgens, Larry W. Kiest, Jr. | 2024-05-07 |
| 11041298 | Trenchlessly installed subterranean collector drain for surface and subsurface water | John Jurgens, Larry W. Kiest, Jr. | 2021-06-22 |
| 10711446 | Trenchlessly installed subterranean collector drain for surface and subsurface water | John Jurgens, Larry W. Kiest, Jr. | 2020-07-14 |