Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716503 | Center post electrochemical cell stack | W. Clark Dean | 1998-02-10 |
| 5441621 | Electrochemical cell having crossed-ridge sealing surface | Trent M. Molter, Wilford Armstrong, III | 1995-08-15 |