Devices descending from K020800

6 later devices reach Optax System through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K040894	Qbtest	Qbtech AB	2004	5	—
+2	K122149	QBTES	Qbtech AB	2012	4	—
+3	K141865	DANA	Anthrotronix, Inc.	2014	0	—
+3	K133382	QB Test	Qbtech AB	2014	2	—
+4	K173915	Test of Variables of Attention (T.O.V.A.)	The Tova Company	2018	0	—
+4	K143468	QbCheck	Qbtech AB	2016	0	—