Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866380 | Method and apparatus for determining the distance between an electromagnetic sensor and a conductive rail | Helmut Grosser, Gerhard Holzinger | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866380 | Method and apparatus for determining the distance between an electromagnetic sensor and a conductive rail | Helmut Grosser, Gerhard Holzinger | 1989-09-12 |