Assignee
HILL DEAN R
US·2 granted patents·17 citations·filing 2006–2010
Top patents by PatentIndex Score
2 records- 0186US8488242B2Optically variable device with diffraction-based micro-optics, method of creating the same, and article employing the sameHILL DEAN R·Filed 2006·Granted Jul 16, 2013·10 cites·17 claims
- 0282US9666008B2Optically variable security device, and article employing same and method for verifying the authenticity of an articleHILL DEAN R·Filed 2010·Granted May 30, 2017·7 cites·15 claims
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