Assignee

COWAN JAMES J

US·2 granted patents·4 citations·filing 2008–2012

Technology mixG02B2 G03H2

Top patents by PatentIndex Score

2 records

0174US8254029B2Surface relief volume reflective diffractive structureCOWAN JAMES J·Filed 2008·Granted Aug 28, 2012·3 cites·19 claims
0269US9158046B2Surface relief volume reflective diffractive structureCOWAN JAMES J·Filed 2012·Granted Oct 13, 2015·1 cites·12 claims

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