CONTEST
CompetedPrize
$7,000
$7,000
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This contest is closed.
This contest is closed.
Patent Known References
Type | Patent Country | Patent Number |
---|---|---|
Patent | US | 5008949 |
Patent | US | 5416774 |
Patent | US | 5502497 |
Patent | US | 5781184 |
Patent | US | 6275989 |
Patent | US | 6334001 |
Patent | US | 6338096 |
Patent | US | 6353930 |
Patent | US | 6580462 |
Patent | US | 6600870 |
Patent | US | 6615381 |
Patent | US | 6674477 |
Patent | US | 6757911 |
Patent | US | 6782132 |
Patent | US | 6891859 |
Patent | JP | H09251761A |