Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385829 | Manufacturing method for a lead-acid battery electrode plate | Takao Omae, Masashi Watanabe | 2002-05-14 |
| 6338919 | Electrode plate for lead-acid battery | Takao Omae, Masashi Watanabe | 2002-01-15 |