Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648714 | Method and device for charging and conditioning batteries | Vladimir Federman | 1997-07-15 |
| 5154569 | Wheelchair loading device for aircraft | Norman Dennis Eryou | 1992-10-13 |