Devices descending from K020437

3 later devices reach Classic Tens through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K041520	Mantra Tens Model NT3	Mantra Intl. (Hk), Ltd.	2004	1	—
+1	K041092	Fast Start Tens, Model FS 3001	Vision Quest Industries, Inc.	2004	0	—
+2	K091236	Mantra Combo, Model Mecs 320	Mantra Intl. (Hk), Ltd.	2009	0	—