Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5854681 | Device and method measuring optically the characteristics of a substance | Christian Durand | 1998-12-29 |
| 5680220 | Device and method for optically measuring the characteristics of a substance utilizing three wavelengths of light | Christian Durand | 1997-10-21 |
| 5001926 | Device for determining the vertical distance between two elements at unequal heights | — | 1991-03-26 |
| 4932248 | Method and device for measuring vertical movements in the absence of a fixed reference point | — | 1990-06-12 |
| 4932006 | Process for signal transmission without electric connection through a conducting wall, the hull of a ship for example, and a device for implementing same | — | 1990-06-05 |
| 4559621 | Telemetering acoustic method for determining the relative position of a submerged object with respect to a vehicle and device therefor | — | 1985-12-17 |
| 4222630 | Digitally controlled fiber optic recording device | — | 1980-09-16 |
| 4216537 | Sonar for the topographic representation of a submerged surface and underlying strata | — | 1980-08-05 |
| 4187492 | Device for determining the relative position of elongate members towed behind a ship | — | 1980-02-05 |