Inventor · disambiguated record
David Elderfield
Also filed as: ELDERFIELD DAVID · ELDERFIELD DAVID V
3 granted patents·2 pending applications·214 citations·filing 1991–2003
76Inventor score
Top patents by PatentIndex Score
5 records- 0190US5166815ALiquid crystal display and reflective diffuser therefor including a reflection cavity section and an illumination cavity sectionNOVATEL COMMUNICATIONS LTD·Filed 1991·Granted Nov 24, 1992·170 cites·17 claims
- 0262US5363469ALight guide with virtually cylindrical convex lensELDERFIELD DAVID V·Filed 1993·Granted Nov 8, 1994·27 cites·10 claims
- 0343US5929815AAntenna connector and method for making an electrical deviceSIERRA WIRELESS INC·Filed 1997·Granted Jul 27, 1999·17 cites·15 claims
- 0439US2004003295A1Biometric document authentication systemFiled 2003·Application pending·0 cites
- 0537US2003102365A1Personal data carrier, passport provided with the facial image, and method of and system for verifying identity of individual carrying the passportFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →