Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794070 | Fuel cell apparatus with compressor means for reducing fuel leakage danger and improving efficiency | Wilhelm Amrhein | 2004-09-21 |
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Overall (2004): #220,864 of 270,089Top 85%
1
Patents 2004