Devices descending from K021797

2 later devices reach L.E.Demetron through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K043530	Dvi Curing Light	Designs For Vision, Inc.	2005	0	—
+1	K040614	Bluewand Led Dental Curing Wand System	J.L. Blosser, Inc.	2004	0	—