Devices descending from K974287

2 later devices reach FM Receiver - Auditory Trainer through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K043090	Easylistener 2 FM, Radium FM and Vocalight Infrared Sound Field Systems	Phonic Ear, Inc.	2004	1	—
+2	K133352	Hypersound Audio System (HSS)	Hypersound Health, Inc.	2014	0	—