Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345237 | Supervisory and monitoring system for helicopter propeller blades | Ernst Lerche, Siegfried Hartwig | 1982-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345237 | Supervisory and monitoring system for helicopter propeller blades | Ernst Lerche, Siegfried Hartwig | 1982-08-17 |