Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048252 | Method and apparatus for concurrent welding and excise of battery separator | Paul Machacek, Benjamin J. Haasl | 2011-11-01 |
| 7901808 | System and method for sealing battery separator | Ignacio Chi, Brian L. Schmidt, Benjamin J. Haasl, Jon D. Schell | 2011-03-08 |