Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812674 | Apparatus and method for testing battery condition | — | 2004-11-02 |
| 6798874 | System and method for enabling custom telephone features on a PBX system | George F. Ohlinger, Joel Donelson | 2004-09-28 |
| 6714022 | Apparatus and method for cooling power transformers | — | 2004-03-30 |