Inventor · disambiguated record

Roland Butcher

Also filed as: BUTCHER ROLAND

2 granted patents·12 citations·filing 1996–2006

49Inventor score

Technology areasG02F H04N

Files withLIVE TECHNOLOGIES LTD1

Top patents by PatentIndex Score

2 records

0129US5953082AElectro-optical active masking filter using see through liquid crystal driven by voltage divider photosensorFiled 1996·Granted Sep 14, 1999·12 cites·7 claims
0226US7755720B2Electro-optical filterLIVE TECHNOLOGIES LTD·Filed 2006·Granted Jul 13, 2010·0 cites·20 claims

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