Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228226 | Nonaqueous secondary cell using vanadium oxide positive electrode | Paul A. Christian, Donald W. Murphy | 1980-10-14 |
| 4198476 | Nonaqueous secondary cell using metal oxide electrodes | Donald W. Murphy | 1980-04-15 |