Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H858 | Electrical battery cell wicking structure and method | John F. Leonard, David H. Fritts, Ken Kim | 1990-12-04 |
| 4894298 | Alkali and halogen rechargeable cell with reactant recombination | David H. Fritts, John F. Leonard, Kwang Kim | 1990-01-16 |