Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8063607 | Energy storage system and method of sequentially charging a first and second battery cell based on voltage potential | John D. Crawford, Peter F. Hoffman, David A. Spartano | 2011-11-22 |
| 7959317 | Lighting device configured to operate with different batteries | David A. Spartano, Waikwong Lam | 2011-06-14 |
| 7942553 | Lighting device and optics package therefor | — | 2011-05-17 |