Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8835040 | Separator for cylindrical cells | — | 2014-09-16 |
| 8389148 | Separator for cylindrical cells | — | 2013-03-05 |
| 6035518 | Method for preparing a cylindrical separator, a tool usable for the method and a cylindrical cell with the separator | — | 2000-03-14 |
| 4346803 | Conveyor | Wolfgang Haessler | 1982-08-31 |
| 4335525 | Balloon dryer | David R. McCleary | 1982-06-22 |