Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874440 | Superplastic aluminum products and alloys | Philip E. Bretz, Craig L. Jensen | 1989-10-17 |
| 4844750 | Aluminum-lithium alloys | Chul W. Cho | 1989-07-04 |
| 4806174 | Aluminum-lithium alloys and method of making the same | Chul W. Cho | 1989-02-21 |
| 4797165 | Aluminum-lithium alloys having improved corrosion resistance and method | Philip E. Bretz, Warren H. Hunt, Jr. | 1989-01-10 |