Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5973503 | Process and measurement systems for measuring physical quantities of poorly conductive and nonconductive fluids | Axel Barten, Arnt Kohlrausch | 1999-10-26 |
| 4912660 | Method and apparatus for measurements of a characteristic of an object using a sensed signal and an auxiliary variable signal applied to the object | Michael Denker, Karl Bonfig | 1990-03-27 |
| 4641120 | Safety fuse assembly provided with an electro-optical indicator device | Karl Bonfig, Jörg HIMMEL | 1987-02-03 |