Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7415801 | Watertight decking | Karl Zeng | 2008-08-26 |
| 7406801 | Watertight decking | Karl Zeng | 2008-08-05 |
| 7021012 | Watertight decking | Karl Zeng | 2006-04-04 |
| 7007330 | Portable patient turning and lifting device | Hendrik Kuiper, Danny Ellis | 2006-03-07 |
| 6945944 | Therapeutic limb covering using hydrostatic pressure | Hendrik K. Kuiper, Danny Ellis | 2005-09-20 |
| 6047782 | Assembly and method for extracting discrete soil samples | John H. Ballard | 2000-04-11 |
| 5635710 | Subsurface penetrometer radiaton sensor probe and system | Dan Y. Eng, Bryan A. Register, John H. Ballard, John C. Morgan | 1997-06-03 |
| 5548115 | Probe device for detecting contaminants in subsurface media | John H. Ballard, Stafford S. Cooper, John C. Morgan, William Lawrence | 1996-08-20 |