Assignee
PRIO CORP
US·8 granted patents·1 pending application·126 citations·filing 1992–2004
Top patents by PatentIndex Score
9 records- 0158US6726327B2Method and apparatus for testing the vision of a video display terminal userPRIO CORP·Filed 2002·Granted Apr 27, 2004·21 cites·15 claims
- 0254US6513931B1Method and apparatus for testing the vision of a video display terminal userPRIO CORP·Filed 2000·Granted Feb 4, 2003·15 cites·7 claims
- 0353US5440360AReflective stimulus for computer screen simulation for eye examinationsPRIO CORP·Filed 1993·Granted Aug 8, 1995·13 cites·11 claims
- 0452US6454412B1Display screen and vision tester apparatusPRIO CORP·Filed 2000·Granted Sep 24, 2002·10 cites·3 claims
- 0548US5325136AComputer display screen simulation for optometric examinationPRIO CORP·Filed 1993·Granted Jun 28, 1994·53 cites·26 claims
- 0635USD348931SVision testerPRIO CORP·Filed 1992·Granted Jul 19, 1994·2 cites·1 claims
- 0734USD370260SCombined vision tester and recharging stand thereforPRIO CORP·Filed 1994·Granted May 28, 1996·2 cites·1 claims
- 0831US5515118AReflective stimulus for computer screen simulation for eye examinationsPRIO CORP·Filed 1995·Granted May 7, 1996·10 cites·3 claims
- 0931US2006103806A1Non-progressive multi-focal lens with large near/intermediate areaPRIO CORP·Filed 2004·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →