Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651658 | Portable oxygen concentration system and method of using the same | Theodore B. Hill, Edward A. Radtke, James A. Bixby | 2003-11-25 |
| 6629525 | Portable oxygen concentration system and method of using the same | Theodore B. Hill, Edward A. Radtke, James A. Bixby | 2003-10-07 |
| 6616476 | Electrical plug-in connector with at least one insulation displacement contact element consisting of a sheet metal stamping, and corresponding mating connector | Werner Moritz, Roland C. Wittenberg | 2003-09-09 |