Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6176326 | Soil sampling measuring device | Ramon R. David | 2001-01-23 |
| 6125948 | Soil sampling device with frangible section | Ramon R. David | 2000-10-03 |
| 6098725 | Soil sampling device with frangible section and method of sampling | Ramon R. David | 2000-08-08 |