Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681668 | Dual wall storage battery system having air passageways in the bottom of the battery | Thomas J. Dougherty, Mark S. Inkmann, Debra L. Smith, Michael T. Reher | 1997-10-28 |