Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132907 | Method for making lead-acid jars and cells and batteries using such jars | William H. Kump | 2000-10-17 |
| 5788719 | Method for making lead-acid jars and cells | William H. Kump | 1998-08-04 |
| 5595840 | Method of manufacturing modular molded components for a bipolar battery and the resulting bipolar battery | David L. Lund | 1997-01-21 |
| 5512065 | Methods for assembling lead-acid batteries | William H. Kump, James K. Klang, David L. Lund | 1996-04-30 |