Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844750 | Aluminum-lithium alloys | Ralph R. Sawtell | 1989-07-04 |
| 4816087 | Process for producing duplex mode recrystallized high strength aluminum-lithium alloy products with high fracture toughness and method of making the same | — | 1989-03-28 |
| 4806174 | Aluminum-lithium alloys and method of making the same | Ralph R. Sawtell | 1989-02-21 |
| 4795502 | Aluminum-lithium alloy products and method of making the same | — | 1989-01-03 |