Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146931 | Device to be placed in the uterus | — | 1992-09-15 |
| 4978815 | Load selector for step transformers | Siegbert Berger, Alfred Mayer | 1990-12-18 |
| 4685474 | Device for the determination of the inner dimensions of hollow organs | Andres Schilling | 1987-08-11 |
| 4204548 | Sound for insertion in the body for the determination of the internal measurements of hollow organs | — | 1980-05-27 |