Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7216725 | Soil sampling system and method that allow headspace screening at spaced intervals without disturbing soil sample | David E. Turriff, John F. Schabron, Susan S. Sorini-Wong, Thomas M. Christy | 2007-05-15 |
| 7172036 | Soil sample containment device and method | David E. Turriff, John F. Schabron, Susan S. Sorini-Wong, Thomas M. Christy | 2007-02-06 |
| 5937953 | Soil sampling tool with unique vent-and-seal features and related method | Nils K. Melberg, David E. Turriff, Christopher A. Reitmeyer | 1999-08-17 |
| 5706904 | Soil sampling tool with volume-indicating feature | David E. Turriff, Nils K. Melberg, Christopher A. Reitmeyer | 1998-01-13 |
| 5522271 | Tool and method for soil sampling | David E. Turriff, Nils K. Melberg, Christopher A. Reitmeyer | 1996-06-04 |
| 5517868 | Method for obtaining a soil sample | David E. Turriff | 1996-05-21 |
| 5505098 | Soil sample containment cartridge with detachable handle | David E. Turriff | 1996-04-09 |
| 5343771 | Tool for sampling soil containing volatile organic compound | David E. Turriff, JoAnn L. Johnson, Nils K. Melberg | 1994-09-06 |