Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787259 | Secondary power source for use in a back-up power system | Erol Erturk, Rajagopalan Sundar, Raymond H. Alstadt | 2004-09-07 |
| 6764785 | Methods of using fuel cell system configured to provide power to one or more loads | Stuart Smedley | 2004-07-20 |
| 6746790 | Power system including heat removal unit for providing backup power to one or more loads | — | 2004-06-08 |
| 6706433 | Refuelable electrochemical power source capable of being maintained in a substantially constant full condition and method of using the same | Martin Pinto, Stuart Smedley | 2004-03-16 |