Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825374 | Aircraft descent guide system and method for creating descent guidance information | Ethmer W. King, Robert C. Kircher, Jr. | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825374 | Aircraft descent guide system and method for creating descent guidance information | Ethmer W. King, Robert C. Kircher, Jr. | 1989-04-25 |