Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12383760 | Surgical and patient care lighting apparatus, method and controls that use multiple wavelengths and bandwidths of pathogen killing visible and ultraviolet light | Chelsea A. Doyle, Lynn Anderson, Devon E. Anderson | 2025-08-12 |
| 11298564 | Medical, surgical and patient lighting apparatus, system, method and controls with pathogen killing electromagnetic radiation | Chelsea A. Doyle, Lynn Anderson, Devon E. Anderson | 2022-04-12 |
| 11041796 | Analysis of porous material using laboratory calibrated test apparatus and sample data | Stephan R-K Fuelling, Dave B. Straley, Willian Ehni | 2021-06-22 |
| 6963205 | Electrically measuring soil dry density | John W. Lundstrom, Dave B. Straley, William Ehni, Darrell R. Word | 2005-11-08 |
| 6380745 | Electrical geophysical apparatus for determining the density of porous materials and establishing geo-electric constants of porous material | William Ehni | 2002-04-30 |
| 5861750 | Geophysical methods and apparatus for determining the hydraulic conductivity of porous materials | William Ehni | 1999-01-19 |
| 5861751 | Electrical geophysical methods and apparatus for determining the in-situ density of porous material | William Ehni | 1999-01-19 |
| 5658012 | Seat belt webbing energy management device | Perfecto G. Villarreal | 1997-08-19 |
| 4500273 | Automatic pouring and dispensing machine for manufacturing hard and soft candy | — | 1985-02-19 |