Inventor · disambiguated record
Sylvia Stevenson
Also filed as: STEVENSON SYLVIA H
2 granted patents·1 pending application·11 citations·filing 2000–2007
54Inventor score
Top patents by PatentIndex Score
3 records- 0158US6646771B2Method for producing holographic optical element comprising primary and complementary holograms and associated methods for establishing authenticity of element used as security deviceDU PONT·Filed 2000·Granted Nov 11, 2003·9 cites·12 claims
- 0251US8233020B2Enhanced imaging of featuresSTEVENSON SYLVIA H·Filed 2007·Granted Jul 31, 2012·2 cites·29 claims
- 0333US2004023122A1Optical element resistant to pressure-induced defectsFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →