Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974942 | Active flat-design video screen | Gert Hewig, Ralf Dornhaus, Alan L. Harmer | 1990-12-04 |
| 4585349 | Method of and apparatus for determining the position of a device relative to a reference | Claus Dahne | 1986-04-29 |
| 4535627 | Method of and apparatus for determining the level of liquid in a vessel | Jean-Louis Prost | 1985-08-20 |
| 4380365 | Optical fiber, having on at least one of its frontal extremities a plano-convex microlens joined with its plane face to said frontal extremity | — | 1983-04-19 |
| 4332775 | Hydrogen generator utilizing solar energy to dissociate water | Pierre Genequand | 1982-06-01 |