Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4580901 | Fluid sample cell | — | 1986-04-08 | $662,000 |
| 4566791 | Fluid sample cell comprising Fresnel sectors | — | 1986-01-28 | $581,000 |
| 4487504 | Reflectance measuring instrument with integrating sphere | — | 1984-12-11 | $653,000 |
| 4365200 | Self alarming four double electrodes conductivity cell | — | 1982-12-21 | $2,089,000 |
| 4362994 | Self alarming five single electrodes conductivity cell | Richard M. Stilwell | 1982-12-07 | $1,913,000 |