Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886715 | Molten membrane electrolyte battery | Francis P. McCullough, Jr., R. Vernon Snelgrove | 1989-12-12 |
| 4877695 | Non-aqueous electrochemical cell | R. Vernon Snelgrove, Francis P. McCullough, Jr. | 1989-10-31 |