Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198251 | Method for sequentially charging batteries in situ | — | 2001-03-06 |
| 5932988 | Apparatus and methods for manufacturing electrodes | Edward K. Merewether, Christopher J. Obaditch, James K. Clark | 1999-08-03 |
| 5336375 | Delayed coker drumhead handling apparatus | Harvey A. Wallskog, William R. Ruble | 1994-08-09 |