Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870052 | Tl-Ca-Ba-Cu-O compositions electrically superconducting above 120 degree K and processes for their preparation | Edward M. Engler, Victor Y. Lee, Stuart Stephen Papworth Parkin | 1989-09-26 |