Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314766 | Lead-acid battery electrode and method of manufacture | Romeo R. Witherspoon | 1994-05-24 |
| 4215553 | Energy conversion system | Theodore J. Nussdorfer, John H. Stewart | 1980-08-05 |