Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055257 | Superplastic aluminum products and alloys | Dhruba J. Chakrabarti, James T. Staley, Stephen F. Baumann, Ralph R. Sawtell, Craig L. Jensen | 1991-10-08 |
| 4961792 | Aluminum-lithium alloys having improved corrosion resistance containing Mg and Zn | Roberto J. Rioja, Alex Cho | 1990-10-09 |
| 4939032 | Composite materials having improved fracture toughness | Jocelyn I. Petit, Henry Paris, Ralph R. Sawtell, Diana K. Denzer | 1990-07-03 |
| 4897126 | Aluminum-lithium alloys having improved corrosion resistance | Ralph R. Sawtell, Warren H. Hunt, Jr. | 1990-01-30 |
| 4874440 | Superplastic aluminum products and alloys | Ralph R. Sawtell, Craig L. Jensen | 1989-10-17 |
| 4869870 | Aluminum-lithium alloys with hafnium | Roberto J. Rioja, John E. Jacoby | 1989-09-26 |
| 4832910 | Aluminum-lithium alloys | Roberto J. Rioja, John E. Jacoby | 1989-05-23 |
| 4797165 | Aluminum-lithium alloys having improved corrosion resistance and method | Ralph R. Sawtell, Warren H. Hunt, Jr. | 1989-01-10 |
| 4693747 | Alloy having improved fatigue crack growth resistance | Jocelyn I. Petit, Ralph R. Sawtell, Asuri K. Vasudevan | 1987-09-15 |
| 4689090 | Superplastic aluminum alloys containing scandium | Ralph R. Sawtell, Craig L. Jensen | 1987-08-25 |
| 4648913 | Aluminum-lithium alloys and method | Warren H. Hunt, Jr., Ralph R. Sawtell | 1987-03-10 |