Issued Patents 2011
Showing 1–8 of 8 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, Frank Huang | 2011-11-22 |
| D647227 | Lighting device | Brian M. Kaule, Scott W. Osiecki | 2011-10-18 |
| 7959317 | Lighting device configured to operate with different batteries | Frank Huang, Waikwong Lam | 2011-06-14 |
| 7952321 | Device having an energy converter and an energy limiter to limit supplied electrical energy | Peter F. Hoffman | 2011-05-31 |
| 7950820 | Intrinsically safe flashlight | Peter F. Hoffman | 2011-05-31 |
| 7926967 | Headlight devices and methods | Thomas I. Meyers, David J. Hine, Scott W. Osiecki, Mark A. Ferguson | 2011-04-19 |
| 7918578 | Lighting device having forward directed heat sink assembly | Michael S. Squires | 2011-04-05 |
| 7888883 | Lighting device having cross-fade and method thereof | John D. Crawford, Peter F. Hoffman | 2011-02-15 |