Individual holder
BUTLER KEVIN A
US·4 granted patents·29 citations·filing 2009–2013
Individually held — no corporate assignee on record.
Technology mixA61B4
Top patents by PatentIndex Score
4 records- 0172US8167429B1Ophthalmic examination system wireless interface deviceBUTLER KEVIN A·Filed 2009·Granted May 1, 2012·17 cites·18 claims
- 0269US8419184B1Ophthalmic examination system interface deviceBUTLER KEVIN A·Filed 2009·Granted Apr 16, 2013·12 cites·20 claims
- 0351US8992022B2Glare assembly for computerized eye test displayBUTLER KEVIN A·Filed 2013·Granted Mar 31, 2015·0 cites·18 claims
- 0446US8550631B2Glare assembly for computerized eye test displayBUTLER KEVIN A·Filed 2010·Granted Oct 8, 2013·0 cites·9 claims
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