Uncertain leatherworking patterns

From WoWWiki

Leatherworking Patterns of Uncertain Status

Skill (Yellow, Green, Grey)	Item	Materials	Source of Recipe	Restrictions / Requirements to Obtain
??? (???, ???, ???)	[Nightscape Cloak]	12x [Thick Leather] 4x [Silken Thread]	Uncertain
??? (???, ???, ???)	[Onyxia Scale Breastplate]	60x [Black Dragonscale] 40x [Rugged Leather] 12x [Scale of Onyxia] 2x [Rune Thread]	Uncertain
??? (???, ???, ???)	[Deflecting Bracers]		Uncertain