Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965689 | Thin, Planar shaped carrier with wiegand wires | Norbert Normann, Erwin Gross | 1990-10-23 |
| 4862303 | Magnetic instrument for reading telegraphic signals | Norbert Normann, Erwin Gross | 1989-08-29 |