Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D493771 | Industrial power supply module | John Porter, Ludi Van Deurse | 2004-08-03 |
| 6678181 | Industrial power supply modules | Gregory Michael Karol, John Porter, Ludi Van Deurse | 2004-01-13 |