Assignee

VISTECH CONSULTANTS INC

US·3 granted patents·74 citations·filing 1986–1988

Technology mixA61B3

Top patents by PatentIndex Score

3 records

0143US4800404AApparatus and method for testing visual sensitivity to glareVISTECH CONSULTANTS INC·Filed 1986·Granted Jan 24, 1989·33 cites·18 claims
0243US4789234AApparatus and method for testing the motion contrast visual sensitivity of an individualVISTECH CONSULTANTS INC·Filed 1987·Granted Dec 6, 1988·29 cites·12 claims
0328US4859052APortable screen assembly for visual acuity testingVISTECH CONSULTANTS INC·Filed 1988·Granted Aug 22, 1989·12 cites·10 claims

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