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, David A. Spartano, Frank Huang | 2011-11-22 |
| 8044634 | Enhanced portable battery powered electrical appliance | — | 2011-10-25 |
| 8022662 | Power supply for battery powered devices | Jon S. Eager | 2011-09-20 |
| 7960944 | Power supply that supplies power to and communicates with an electrical appliance | Michael J. Brandon, II | 2011-06-14 |
| 7952321 | Device having an energy converter and an energy limiter to limit supplied electrical energy | David A. Spartano | 2011-05-31 |
| 7950820 | Intrinsically safe flashlight | David A. Spartano | 2011-05-31 |
| 7897277 | Reversible battery cartridge | Craig S. Meyer, Joseph P. Gardner, Daniel L. Stuckey, David A. Furth | 2011-03-01 |
| 7888883 | Lighting device having cross-fade and method thereof | John D. Crawford, David A. Spartano | 2011-02-15 |