Inventor · disambiguated record
Elizabeth A. Downing
Also filed as: DOWNING ELIZABETH · DOWNING ELIZABETH A · DOWNING ELIZABETH ANNE
18 granted patents·3 pending applications·956 citations·filing 1985–2015
96Inventor score
Top patents by PatentIndex Score
21 records- 0198US5054918ALight scanning system for measurement of orientation and physical features of a workpieceFMC CORP·Filed 1990·Granted Oct 8, 1991·184 cites·45 claims
- 0295US9658373B2Anti-copy optical materials and methods3DTL INC·Filed 2015·Granted May 23, 2017·21 cites·23 claims
- 0394US5956172ASystem and method using layered structure for three-dimensional display of information based on two-photon upconversion3D TECHNOLOGY LAB INC·Filed 1997·Granted Sep 21, 1999·101 cites·59 claims
- 0491US5684621AMethod and system for three-dimensional display of information based on two-photon upconversionFiled 1995·Granted Nov 4, 1997·114 cites·41 claims
- 0590US5243665AComponent surface distortion evaluation apparatus and methodFMC CORP·Filed 1992·Granted Sep 7, 1993·167 cites·38 claims
- 0690US4684246ASoft contact lens analyzerDOWNING ELIZABETH A·Filed 1985·Granted Aug 4, 1987·69 cites·13 claims
- 0787US5943160ASystem and method for co-doped three-dimensional display using two-photon upconversion3D TECHNOLOGY LAB INC·Filed 1997·Granted Aug 24, 1999·82 cites·63 claims
- 0886US5914807AMethod and system for three-dimensional display of information based on two-photon upconversion3D TECHNOLOGY LAB INC·Filed 1997·Granted Jun 22, 1999·75 cites·52 claims
- 0983US8110281B2Systems and methods for creating optical effects on mediaDOWNING ELIZABETH A·Filed 2005·Granted Feb 7, 2012·5 cites·6 claims
- 1082US5764403APanel display using two-frequency upconversion fluorescenceFiled 1997·Granted Jun 9, 1998·76 cites·52 claims
- 1181US8840983B2Systems and methods for creating optical effects on mediaDOWNING ELIZABETH A·Filed 2011·Granted Sep 23, 2014·2 cites·6 claims
- 1281US7576920B2Transformable, applicable material and methods for using same for optical effects3DTL INC·Filed 2007·Granted Aug 18, 2009·11 cites·14 claims
- 1375US4870485AThree dimensional image generating apparatus having a phosphor chamberFMC CORP·Filed 1988·Granted Sep 26, 1989·44 cites·5 claims
- 1467US9844968B2Systems and methods for creating optical effects on media3DTL INC·Filed 2014·Granted Dec 19, 2017·0 cites·16 claims
- 1558US7233446B2Transformable, applicable material and methods for using same for optical effects3DTL INC·Filed 2005·Granted Jun 19, 2007·2 cites·3 claims
- 1652US7376165B2Laser diode alignment and packaging system for integrated optical and display subassembliesBAYERISCHE MOTOREN WERKE AG·Filed 2004·Granted May 20, 2008·1 cites·31 claims
- 1750US10207529B2Security element or document with a security feature including at least one dynamic-effect featureDOWNING ELIZABETH ANNE·Filed 2012·Granted Feb 19, 2019·0 cites·15 claims
- 1842US2012104278A1System And Method For The Excitation, Interrogation, And Identification Of Covert TaggantsDOWNING ELIZABETH A·Filed 2011·Application pending·0 cites
- 1940US2012088079A1Optical-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
- 2039US2005169581A1Laser diode systemFiled 2004·Application pending·0 cites
- 2124US5631194AHeavy metal fluoride glass containing indium trifluorideGALILEO CORP·Filed 1995·Granted May 20, 1997·2 cites·18 claims
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