Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830938 | Secondary battery | Frances P. McCullough, Charles Levine | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830938 | Secondary battery | Frances P. McCullough, Charles Levine | 1989-05-16 |