Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7493562 | System and method for bridge port administration | Ping H. Kui, Fang Yang | 2009-02-17 |
| 6630750 | Spare bus power plant | — | 2003-10-07 |
| 6476583 | Automatic battery charging system for a battery back-up DC power supply | — | 2002-11-05 |
| 5886503 | Back-up battery management apparatus for charging and testing individual battery cells in a string of battery cells | Richard H. Jones | 1999-03-23 |
| 5777454 | Back-up battery management system for a DC power supply | Richard H. Jones | 1998-07-07 |
| 5160851 | Rechargeable back-up battery system including a number of battery cells having float voltage exceeding maximum load voltage | — | 1992-11-03 |
| 4931367 | Low float technology battery | William B. Brecht, David O. Feder, Allan J. Williamson | 1990-06-05 |