Helion
Records under this name other than the patents Helion holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 3 patents it holds.
Showing 1 to 2 of 2 · Back to Helion
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,659,020 | Power supply plate for a coplanar circuit fuel cell Lapsed on the fee record Ended Feb 9, 2018 · From the USPTO record | Lapsed on the fee record | Ended Feb 9, 2018 | From the USPTO record |
| US 7,122,273 | Light bipolar plate for fuel cell and method for making same Lapsed on the fee record Ended Oct 17, 2014 · From the USPTO record | Lapsed on the fee record | Ended Oct 17, 2014 | From the USPTO record |