Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641954 | Battery separator with mud rest protectors | Daniel E. Weerts | 2003-11-04 |
| 5665488 | Method of making a battery separator and the battery separator produced thereby | James Young, Daniel K. Lee | 1997-09-09 |