Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773259 | Modified borehole shear tester | — | 1988-09-27 |
| 4662213 | Back pressured pneumatic pressure cell | Don W. Eichner | 1987-05-05 |
| 4543820 | Tapered blade in situ soil testing device | Alan J. Lutenegger | 1985-10-01 |
| 4524626 | Soil effective stress sensor and method of using same | Mark W. Pabst | 1985-06-25 |
| 4508472 | Method for controlling moisture-expansive clay supporting building foundations | James A. Murray | 1985-04-02 |
| 4494694 | Support system for a railroad track | John M. Pitt, Robert O. Lamb | 1985-01-22 |
| 4458525 | Borehole plate test | Alan J. Lutenegger | 1984-07-10 |
| 4290252 | Basement waterproofing system | Turgut Demirel | 1981-09-22 |