Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806077 | Composite material blade with twin longeron and twin box structure having laminated honeycomb sandwich coverings and a method of manufacturing same | — | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806077 | Composite material blade with twin longeron and twin box structure having laminated honeycomb sandwich coverings and a method of manufacturing same | — | 1989-02-21 |