Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908801 | Material and method for providing insulation and drainage to a foundation wall | Steven F. Nielsen, Allan Marcus Dellinger, Lindsay Castles | 2011-03-22 |
| 7883625 | Removal of oils from solid surfaces and water with a substance having a high humate level | Gary E. Harman, Terry D. Spittler, Steven F. Nielsen | 2011-02-08 |