Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840480 | Light conduit arrangement for monitoring a physical condition of a structural part | Friedrich K. Levacher, Helmut Federmann | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840480 | Light conduit arrangement for monitoring a physical condition of a structural part | Friedrich K. Levacher, Helmut Federmann | 1989-06-20 |