Individual holder
DOWNING ELIZABETH A
US·3 granted patents·2 pending applications·76 citations·filing 1985–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0190US4684246ASoft contact lens analyzerDOWNING ELIZABETH A·Filed 1985·Granted Aug 4, 1987·69 cites·13 claims
- 0283US8110281B2Systems and methods for creating optical effects on mediaDOWNING ELIZABETH A·Filed 2005·Granted Feb 7, 2012·5 cites·6 claims
- 0381US8840983B2Systems and methods for creating optical effects on mediaDOWNING ELIZABETH A·Filed 2011·Granted Sep 23, 2014·2 cites·6 claims
- 0442US2012104278A1System And Method For The Excitation, Interrogation, And Identification Of Covert TaggantsDOWNING ELIZABETH A·Filed 2011·Application pending·0 cites
- 0540US2012088079A1Optical-Effect-Producing Medium, Use Thereof and Object Having an Optically Responsive Feature Produced Using Said Optical-Effect-Producing MediumDOWNING ELIZABETH A·Filed 2011·Application pending·0 cites
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