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Patent Known References
| Type | Patent Country | Patent Number |
|---|---|---|
| Patent | WO | 9614670 |
| Patent | US | 6078824 |
| Patent | US | 5512914 |
| Patent | EP | 1067626 |
| Patent | JP | 10098899 |
| Patent | EP | 1026778 |
| Patent | US | 5905462 |
| Patent | EP | 1239536 |
| Patent | US | 6268833 |
| Patent | US | 5983071 |
| Patent | EP | 1356539 |
| Patent | EP | 1455413 |
| Patent | EP | 1239536 |
| Patent | US | 7031751 |
| Patent | US | 7366545 |
| Patent | JP | 6237417 |
| Patent | JP | 10327598 |
| Patent | US | 6198458 |
| Patent | US | 6239744 |
| Patent | EP | 1032074 |
| Patent | US | 4591868 |
| Patent | US | 5235344 |
| Patent | US | 2540696 |
| Patent | TW | 345323U |
